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22232423031 = 372132894917
BaseRepresentation
bin10100101101001001…
…111101101001110111
32010101102020002221020
4110231021331221313
5331013000014111
614114033552223
71414640322600
oct245511755167
963342202836
1022232423031
119479694535
124385715673
13213404c100
14110c9a2da7
158a1c3e906
hex52d27da77

22232423031 has 36 divisors (see below), whose sum is σ = 37339558632. Its totient is φ = 11726979264.

The previous prime is 22232422991. The next prime is 22232423039. The reversal of 22232423031 is 13032423222.

It is not a de Polignac number, because 22232423031 - 211 = 22232420983 is a prime.

It is a super-2 number, since 2×222324230312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22232422992 and 22232423010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232423039) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 422616 + ... + 472301.

It is an arithmetic number, because the mean of its divisors is an integer number (1037209962).

Almost surely, 222232423031 is an apocalyptic number.

22232423031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22232423031 is a deficient number, since it is larger than the sum of its proper divisors (15107135601).

22232423031 is a wasteful number, since it uses less digits than its factorization.

22232423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894960 (or 894940 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22232423031 its reverse (13032423222), we get a palindrome (35264846253).

The spelling of 22232423031 in words is "twenty-two billion, two hundred thirty-two million, four hundred twenty-three thousand, thirty-one".

Divisors: 1 3 7 13 21 39 49 91 147 169 273 507 637 1183 1911 3549 8281 24843 894917 2684751 6264419 11633921 18793257 34901763 43850933 81437447 131552799 151240973 244312341 453722919 570062129 1058686811 1710186387 3176060433 7410807677 22232423031