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22430821964 = 2221132653907
BaseRepresentation
bin10100111000111110…
…110010111001001100
32010220020112211002212
4110320332302321030
5331414242300324
614145442205552
71422566561255
oct247076627114
963806484085
1022430821964
1195706835a1
1244200538b8
132166195725
14112b089b2c
158b437e70e
hex538fb2e4c

22430821964 has 12 divisors (see below), whose sum is σ = 39272530584. Its totient is φ = 11210098944.

The previous prime is 22430821879. The next prime is 22430821997. The reversal of 22430821964 is 46912803422.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1318502 + ... + 1335405.

It is an arithmetic number, because the mean of its divisors is an integer number (3272710882).

Almost surely, 222430821964 is an apocalyptic number.

It is an amenable number.

22430821964 is a deficient number, since it is larger than the sum of its proper divisors (16841708620).

22430821964 is a wasteful number, since it uses less digits than its factorization.

22430821964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656024 (or 2656022 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 22430821964 in words is "twenty-two billion, four hundred thirty million, eight hundred twenty-one thousand, nine hundred sixty-four".

Divisors: 1 2 4 2113 4226 8452 2653907 5307814 10615628 5607705491 11215410982 22430821964