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22002244220460 = 22357180311290533
BaseRepresentation
bin1010000000010110010111…
…11100110111011000101100
32212220101122020012120100010
411000023023330313120230
510340441044010023320
6114443405204333220
74430416060052520
oct500131374673054
985811566176303
1022002244220460
1170131102a0979
1225742230a4210
13c37a587902ba
14560cb2bb9d80
152824dedb7ae0
hex1402cbf3762c

22002244220460 has 96 divisors (see below), whose sum is σ = 70407814321152. Its totient is φ = 5029039192320.

The previous prime is 22002244220423. The next prime is 22002244220519. The reversal of 22002244220460 is 6402244220022.

It is a super-2 number, since 2×220022442204602 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75585354 + ... + 75875886.

It is an arithmetic number, because the mean of its divisors is an integer number (733414732512).

Almost surely, 222002244220460 is an apocalyptic number.

22002244220460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002244220460 is an abundant number, since it is smaller than the sum of its proper divisors (48405570100692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002244220460 is a wasteful number, since it uses less digits than its factorization.

22002244220460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470863 (or 470861 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22002244220460 its reverse (6402244220022), we get a palindrome (28404488440482).

The spelling of 22002244220460 in words is "twenty-two trillion, two billion, two hundred forty-four million, two hundred twenty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 180311 290533 360622 540933 581066 721244 871599 901555 1081866 1162132 1262177 1452665 1743198 1803110 2033731 2163732 2524354 2704665 2905330 3486396 3606220 3786531 4067462 4357995 5048708 5409330 5810660 6101193 6310885 7573062 8134924 8715990 10168655 10818660 12202386 12621770 15146124 17431980 18932655 20337310 24404772 25243540 30505965 37865310 40674620 61011930 75730620 122023860 52386295763 104772591526 157158887289 209545183052 261931478815 314317774578 366704070341 523862957630 628635549156 733408140682 785794436445 1047725915260 1100112211023 1466816281364 1571588872890 1833520351705 2200224422046 3143177745780 3667040703410 4400448844092 5500561055115 7334081406820 11001122110230 22002244220460