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22232255140 = 2251234790031
BaseRepresentation
bin10100101101001001…
…010100101010100100
32010101101220120122001
4110231021110222210
5331012424131030
614114030215044
71414636023244
oct245511245244
963341816561
1022232255140
11947958a387
124385654484
132133cc0874
14110c95bb24
158a1c09cca
hex52d254aa4

22232255140 has 24 divisors (see below), whose sum is σ = 46692035712. Its totient is φ = 8892083040.

The previous prime is 22232255119. The next prime is 22232255153. The reversal of 22232255140 is 4155223222.

It is a super-2 number, since 2×222322551402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22232255099 and 22232255108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201925 + ... + 291955.

It is an arithmetic number, because the mean of its divisors is an integer number (1945501488).

Almost surely, 222232255140 is an apocalyptic number.

22232255140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232255140 is an abundant number, since it is smaller than the sum of its proper divisors (24459780572).

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

22232255140 is a wasteful number, since it uses less digits than its factorization.

22232255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102387 (or 102385 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22232255140 its reverse (4155223222), we get a palindrome (26387478362).

The spelling of 22232255140 in words is "twenty-two billion, two hundred thirty-two million, two hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 12347 24694 49388 61735 90031 123470 180062 246940 360124 450155 900310 1800620 1111612757 2223225514 4446451028 5558063785 11116127570 22232255140