Three of the following four sets of numbers are alike in a certain way and one is different. Select the odd one.

(11,22,121) (15 , 30,225) (22,44,456) (6 ,12,36)

(22,44,456)

11 × 22  =  242 ÷ 2 = 121 15 × 30   = 450 ÷ 2  =  225 22 × 44  =  968 ÷ 2  =  484 ≠  456 6 × 12    =  72  ÷ 2  = 36