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22235023840 = 255294792031
BaseRepresentation
bin10100101101010011…
…111000100111100000
32010101121010020120111
4110231103320213200
5331014131230330
614114205421104
71415001404251
oct245523704740
963347106514
1022235023840
119480100567
12438656a794
13213474cb53
14110d07cb28
158a20a532a
hex52d4f89e0

22235023840 has 48 divisors (see below), whose sum is σ = 54341642880. Its totient is φ = 8587317760.

The previous prime is 22235023831. The next prime is 22235023861. The reversal of 22235023840 is 4832053222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2391376 + ... + 2400655.

It is an arithmetic number, because the mean of its divisors is an integer number (1132117560).

Almost surely, 222235023840 is an apocalyptic number.

22235023840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22235023840 is an abundant number, since it is smaller than the sum of its proper divisors (32106619040).

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

22235023840 is a wasteful number, since it uses less digits than its factorization.

22235023840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792075 (or 4792067 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 22235023840 in words is "twenty-two billion, two hundred thirty-five million, twenty-three thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 80 116 145 160 232 290 464 580 928 1160 2320 4640 4792031 9584062 19168124 23960155 38336248 47920310 76672496 95840620 138968899 153344992 191681240 277937798 383362480 555875596 694844495 766724960 1111751192 1389688990 2223502384 2779377980 4447004768 5558755960 11117511920 22235023840