The number 3,022,200 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 25 30 36 40 45 46 50 60 69 72 73 75 90 92 100 115 120 138 146 150 180 184 200 207 219 225 230 276 292 300 345 360 365 414 438 450 460 552 575 584 600 657 690 730 828 876 900 920 1,035 1,095 1,150 1,314 1,380 1,460 1,656 1,679 1,725 1,752 1,800 1,825 2,070 2,190 2,300 2,628 2,760 2,920 3,285 3,358 3,450 3,650 4,140 4,380 4,600 5,037 5,175 5,256 5,475 6,570 6,716 6,900 7,300 8,280 8,395 8,760 10,074 10,350 10,950 13,140 13,432 13,800 14,600 15,111 16,425 16,790 20,148 20,700 21,900 25,185 26,280 30,222 32,850 33,580 40,296 41,400 41,975 43,800 50,370 60,444 65,700 67,160 75,555 83,950 100,740 120,888 125,925 131,400 151,110 167,900 201,480 251,850 302,220 335,800 377,775 503,700 604,440 755,550 1,007,400 1,511,100 and 3,022,200, with no remainder.
Since 3,022,200 cannot be divided by just 1 and 3,022,200, it is a composite number.