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22112302331 = 7109131221227
BaseRepresentation
bin10100100101111111…
…101111010011111011
32010002001012100022102
4110211333233103323
5330241222133311
614054103214015
71411651316510
oct244577572373
963061170272
1022112302331
119417900029
12435144730b
1321151b2282
1410daa55307
1589641343b
hex525fef4fb

22112302331 has 16 divisors (see below), whose sum is σ = 25697844480. Its totient is φ = 18636078240.

The previous prime is 22112302313. The next prime is 22112302343. The reversal of 22112302331 is 13320321122.

It is a cyclic number.

It is not a de Polignac number, because 22112302331 - 210 = 22112301307 is a prime.

It is a super-2 number, since 2×221123023312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22112302351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10661 + ... + 210566.

It is an arithmetic number, because the mean of its divisors is an integer number (1606115280).

Almost surely, 222112302331 is an apocalyptic number.

22112302331 is a deficient number, since it is larger than the sum of its proper divisors (3585542149).

22112302331 is a wasteful number, since it uses less digits than its factorization.

22112302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221474.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22112302331 its reverse (13320321122), we get a palindrome (35432623453).

The spelling of 22112302331 in words is "twenty-two billion, one hundred twelve million, three hundred two thousand, three hundred thirty-one".

Divisors: 1 7 109 131 763 917 14279 99953 221227 1548589 24113743 28980737 168796201 202865159 3158900333 22112302331