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22420621630 = 2511414971313
BaseRepresentation
bin10100111000010111…
…111000100100111110
32010212112100120212201
4110320113320210332
5331404134343010
614144435422114
71422414065551
oct247027704476
963775316781
1022420621630
119565946970
12441875493a
132164033924
141129992698
158b351723a
hex5385f893e

22420621630 has 32 divisors (see below), whose sum is σ = 45099760608. Its totient is φ = 7954099200.

The previous prime is 22420621577. The next prime is 22420621669. The reversal of 22420621630 is 3612602422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481147 + ... + 2490166.

It is an arithmetic number, because the mean of its divisors is an integer number (1409367519).

Almost surely, 222420621630 is an apocalyptic number.

22420621630 is an abundant number, since it is smaller than the sum of its proper divisors (22679138978).

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

22420621630 is a wasteful number, since it uses less digits than its factorization.

22420621630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971372.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 22420621630 in words is "twenty-two billion, four hundred twenty million, six hundred twenty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 82 110 205 410 451 902 2255 4510 4971313 9942626 24856565 49713130 54684443 109368886 203823833 273422215 407647666 546844430 1019119165 2038238330 2242062163 4484124326 11210310815 22420621630