A silicone compound shown by the following average composition formula and having a weight-average molecular weight in the range of 500 to 200,000 as determined by GPC in terms of polystyrene, R 1 a R 2 b R 3 c R 4 d SiO (4-a-b-c-d)/2 wherein "a", "b", "c", and "d" each represent a number satisfying 1.0≤a≤2.5, 0.001≤b≤1.5, 0.001≤c≤1.5, and 0≤d≤1.0; R 1 represents the same or different organic group selected from an alkyl group having 1 to 30 carbon atoms, an aryl group, an aralkyl group, a fluorine-substituted alkyl group, and an organic group shown by the general formula -C 1 H 21 -O-R 5, wherein R 5 represents a hydrogen atom, a hydrocarbon group having 4 to 30 carbon atoms, or an organic group shown by R 9 - -; R 9 represents a hydrocarbon group having 1 to 30 carbon atoms; and "l" represents an integer satisfying 0≤l≤15; R 2 represents the same or different polyoxyalkylene group shown by the general formula -C m H 2m -O-(C 2 H 4 O)g(C 3 H 6 O) h R 6, wherein R 6 represents a hydrogen atom, a hydrocarbon group having 1 to 30 carbon atoms, or an organic group shown by R 9 - -; R 9 has the same meaning defined above; and "g" and "h" each represent an integer satisfying 2≤g≤200, 0≤h≤200, and g+h is 3 to 200; and "m" represents an integer satisfying 1≤m≤15; R 3 represents the same or different branched type monovalent organosiloxane group shown by the following general formula, M o M R p D q D R r T s T R t Q u wherein M=R 7 3 SiO 0.5, M R =R 7 2R 8 SiO 0.5, D=R 7 2 SiO, D R =R 7 R 8 SiO, T=R 7 SiO 1.5, T R =R 8 SiO 1.5, and Q=SiO 2; R 7 represents the same or different organic group selected from an alkyl group having 1 to 30 carbon atoms, an aryl group, an aralkyl group, and a fluorine-substituted alkyl group; R 8 represents an organic group shown by -C n H 2n -; "n" represents an integer satisfying 1≤n≤5; "o" represents an integer of 1 or more; "q" and "s" each represent an integer of 0 or more; "p", "r", "t", and "u" each represent 0 or 1; with the proviso that "s", "t", and "u" are not equal to 0 at the same time, the sum of "p", "r", and "t" is 1, and when q=0, "o" is 2 or more and the sum of "s" and "u" is 1 or more; R 4 represents the same or different monovalent organosiloxane group shown by the following general formula or the general formula, MM R D v-1 M w D v-1 D R v-2 T R v-3 wherein M, M R, D, D R, and T R have the same meanings defined above; v-1 represents a number satisfying 0≤v-1≤500; v-2 and v-3 each represent 0 or 1; with the proviso that the sum of v-2 and v-3 is 1, and the both of v-1 and v-3 are not 1 or more at the same time; and "w" represents an integer of 2 to 3. wherein "a", "b", "c", and "d" each represent a number satisfying 1.0≤a≤2.5, 0.001≤b≤1.5, 0.001≤c≤1.5, and 0≤d≤1.0; R 1 represents the same or different organic group selected from an alkyl group having 1 to 30 carbon atoms, an aryl group, an aralkyl group, a fluorine-substituted alkyl group, and an organic group shown by the general formula -C 1 H 21 -O-R 5, wherein R 5 represents a hydrogen atom, a hydrocarbon group having 4 to 30 carbon atoms, or an organic group shown by R 9 - -; R 9 represents a hydrocarbon group having 1 to 30 carbon atoms; and "l" represents an integer satisfying 0≤l≤15; R 2 represents the same or different polyoxyalkylene group shown by the general formula -C m H 2m -O-(C 2 H 4 O)g(C 3 H 6 O) h R 6, wherein R 6 represents a hydrogen atom, a hydrocarbon group having 1 to 30 carbon atoms, or an organic group shown by R 9 - -; R 9 has the same meaning defined above; and "g" and "h" each represent an integer satisfying 2≤g≤200, 0≤h≤200, and g+h is 3 to 200; and "m" represents an integer satisfying 1≤m≤15; R 3 represents the same or different branched type monovalent organosiloxane group shown by the following general formula, M o M R p D q D R r T s T R t Q u wherein M=R 7 3 SiO 0.5, M R =R 7 2R 8 SiO 0.5, D=R 7 2 SiO, D R =R 7 R 8 SiO, T=R 7 SiO 1.5, T R =R 8 SiO 1.5, and Q=SiO 2; R 7 represents the same or different organic group selected from an alkyl group having 1 to 30 carbon atoms, an aryl group, an aralkyl group, and a fluorine-substituted alkyl group; R 8 represents an organic group shown by -C n H 2n -; "n" represents an integer satisfying 1≤n≤5; "o" represents an integer of 1 or more; "q" and "s" each represent an integer of 0 or more; "p", "r", "t", and "u" each represent 0 or 1; with the proviso that "s", "t", and "u" are not equal to 0 at the same time, the sum of "p", "r", and "t" is 1, and when q=0, "o" is 2 or more and the sum of "s" and "u" is 1 or more; R 4 represents the same or different monovalent organosiloxane group shown by the following general formula or the general formula, MM R D v-1 M w D v-1 D R v-2 T R v-3 wherein M, M R, D, D R, and T R have the same meanings defined above; v-1 represents a number satisfying 0≤v-1≤500; v-2 and v-3 each represent 0 or 1; with the proviso that the sum of v-2 and v-3 is 1, and the both of v-1 and v-3 are not 1 or more at the same time; and "w" represents an integer of 2 to 3.