A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8322000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 38 40 48 50 57 60 73 75 76 80 95 100 114 120 125 146 150 152 190 200 219 228 240 250 285 292 300 304 365 375 380 400 438 456 475 500 570 584 600 730 750 760 876 912 950 1,000 1,095 1,140 1,168 1,200 1,387 1,425 1,460 1,500 1,520 1,752 1,825 1,900 2,000 2,190 2,280 2,375 2,774 2,850 2,920 3,000 3,504 3,650 3,800 4,161 4,380 4,560 4,750 5,475 5,548 5,700 5,840 6,000 6,935 7,125 7,300 7,600 8,322 8,760 9,125 9,500 10,950 11,096 11,400 13,870 14,250 14,600 16,644 17,520 18,250 19,000 20,805 21,900 22,192 22,800 27,375 27,740 28,500 29,200 33,288 34,675 36,500 38,000 41,610 43,800 54,750 55,480 57,000 66,576 69,350 73,000 83,220 87,600 104,025 109,500 110,960 114,000 138,700 146,000 166,440 173,375 208,050 219,000 277,400 332,880 346,750 416,100 438,000 520,125 554,800 693,500 832,200 1,040,250 1,387,000 1,664,400 2,080,500 2,774,000 4,161,000 and 8,322,000, with no remainder.
Since 8,322,000 cannot be divided by just 1 and 8,322,000, it is not a prime number.