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10222112231 is a prime number
BaseRepresentation
bin10011000010100100…
…10000110111100111
3222101101201002211022
421201102100313213
5131413330042411
64410155201355
7511212343322
oct114122206747
928341632738
1010222112231
114376130241
121b9344625b
13c6ba17426
146cd85d7b9
153ec633edb
hex261490de7

10222112231 has 2 divisors, whose sum is σ = 10222112232. Its totient is φ = 10222112230.

The previous prime is 10222112209. The next prime is 10222112239. The reversal of 10222112231 is 13221122201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10222112231 - 26 = 10222112167 is a prime.

It is a super-2 number, since 2×102221122312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10222112239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111056115 + 5111056116.

It is an arithmetic number, because the mean of its divisors is an integer number (5111056116).

Almost surely, 210222112231 is an apocalyptic number.

10222112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222112231 is an equidigital number, since it uses as much as digits as its factorization.

10222112231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10222112231 its reverse (13221122201), we get a palindrome (23443234432).

The spelling of 10222112231 in words is "ten billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-one".