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22442422090 = 25111921150891
BaseRepresentation
bin10100111001101011…
…000010111101001010
32010221001101011111011
4110321223002331022
5331430230001330
614150534554134
71423100304004
oct247153027512
963831334434
1022442422090
119577186980
124423b0894a
1321686c76ca
14112c829374
158b53c182a
hex539ac2f4a

22442422090 has 64 divisors (see below), whose sum is σ = 46608929280. Its totient is φ = 7694568000.

The previous prime is 22442422081. The next prime is 22442422097. The reversal of 22442422090 is 9022424422.

It is not an unprimeable number, because it can be changed into a prime (22442422097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415545 + ... + 466435.

It is an arithmetic number, because the mean of its divisors is an integer number (728264520).

Almost surely, 222442422090 is an apocalyptic number.

22442422090 is an abundant number, since it is smaller than the sum of its proper divisors (24166507190).

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

22442422090 is a wasteful number, since it uses less digits than its factorization.

22442422090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51139.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 22442422090 in words is "twenty-two billion, four hundred forty-two million, four hundred twenty-two thousand, ninety".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 211 418 422 1045 1055 2090 2110 2321 4009 4642 8018 11605 20045 23210 40090 44099 50891 88198 101782 220495 254455 440990 508910 559801 966929 1119602 1933858 2799005 4834645 5598010 9669290 10636219 10738001 21272438 21476002 53181095 53690005 106362190 107380010 118118011 204022019 236236022 408044038 590590055 1020110095 1181180110 2040220190 2244242209 4488484418 11221211045 22442422090