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22234957920 = 253357735283
BaseRepresentation
bin10100101101010011…
…101000100001100000
32010101120222220011000
4110231103220201200
5331014122123140
614114204152000
71415001011130
oct245523504140
963346886130
1022234957920
119480065a8a
124386538600
132134728b46
14110d062ac0
158a2090a30
hex52d4e8860

22234957920 has 192 divisors, whose sum is σ = 88939952640. Its totient is φ = 5082269184.

The previous prime is 22234957909. The next prime is 22234957939. The reversal of 22234957920 is 2975943222.

22234957920 is a `hidden beast` number, since 2 + 22 + 34 + 9 + 579 + 20 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 337402 + ... + 397881.

It is an arithmetic number, because the mean of its divisors is an integer number (463228920).

Almost surely, 222234957920 is an apocalyptic number.

22234957920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22234957920 is an abundant number, since it is smaller than the sum of its proper divisors (66704994720).

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

22234957920 is a wasteful number, since it uses less digits than its factorization.

22234957920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735314 (or 735300 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22234957920 in words is "twenty-two billion, two hundred thirty-four million, nine hundred fifty-seven thousand, nine hundred twenty".