The last digit of 22 is '2' which is even (divisible by 2) so 22 is divisible by 2.
No, it is not.
Any element of the set of numbers of the form 22*k, where k is an integer, is evenly divisible.
Out of that list, 22 is divisible by 2.
No... In order for a number to be divisible by 9, the sum of its digits must ALSO be divisible by 9. In this case, 7+0+9+6 = 22. 22 is not divisible by 9 !
Because 22 is divisible by numbers other than 1 and itself (22). 22 is divisible by 1, 2, 11 and 22 and hence it is composite number.