The number 4,427,500 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 23 25 28 35 44 46 50 55 70 77 92 100 110 115 125 140 154 161 175 220 230 250 253 275 308 322 350 385 460 500 506 550 575 625 644 700 770 805 875 1,012 1,100 1,150 1,250 1,265 1,375 1,540 1,610 1,750 1,771 1,925 2,300 2,500 2,530 2,750 2,875 3,220 3,500 3,542 3,850 4,025 4,375 5,060 5,500 5,750 6,325 6,875 7,084 7,700 8,050 8,750 8,855 9,625 11,500 12,650 13,750 14,375 16,100 17,500 17,710 19,250 20,125 25,300 27,500 28,750 31,625 35,420 38,500 40,250 44,275 48,125 57,500 63,250 80,500 88,550 96,250 100,625 126,500 158,125 177,100 192,500 201,250 221,375 316,250 402,500 442,750 632,500 885,500 1,106,875 2,213,750 and 4,427,500, with no remainder.
Since 4,427,500 cannot be divided by just 1 and 4,427,500, it is a composite number.