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22420442322 = 23211396711399
BaseRepresentation
bin10100111000010111…
…001100110011010010
32010212112000110220200
4110320113030303102
5331404113123242
614144431520030
71422412421025
oct247027146322
963775013820
1022420442322
119565834183
124418689016
132163ca0125
1411299471bc
158b34ce04c
hex5385cccd2

22420442322 has 48 divisors (see below), whose sum is σ = 49062499200. Its totient is φ = 7399034496.

The previous prime is 22420442269. The next prime is 22420442327. The reversal of 22420442322 is 22324402422.

22420442322 is a `hidden beast` number, since 2 + 2 + 420 + 4 + 4 + 232 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22420442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1961179 + ... + 1972577.

It is an arithmetic number, because the mean of its divisors is an integer number (1022135400).

Almost surely, 222420442322 is an apocalyptic number.

22420442322 is an abundant number, since it is smaller than the sum of its proper divisors (26642056878).

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

22420442322 is a wasteful number, since it uses less digits than its factorization.

22420442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12487 (or 12484 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22420442322 its reverse (22324402422), we get a palindrome (44744844744).

The spelling of 22420442322 in words is "twenty-two billion, four hundred twenty million, four hundred forty-two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 113 226 339 678 967 1017 1934 2034 2901 5802 8703 11399 17406 22798 34197 68394 102591 109271 205182 218542 327813 655626 983439 1288087 1966878 2576174 3864261 7728522 11022833 11592783 22045666 23185566 33068499 66136998 99205497 198410994 1245580129 2491160258 3736740387 7473480774 11210221161 22420442322