22312110213 has 12 divisors (see below), whose sum is σ = 32235362380. Its totient is φ = 14871620736.

The previous prime is 22312110157. The next prime is 22312110307. The reversal of 22312110213 is 31201121322.

It can be written as a sum of positive squares in 2 ways, for example, as 8137302849 + 14174807364 = 90207^2 + 119058^2 .

It is not a de Polignac number, because 22312110213 - 2⁸ = 22312109957 is a prime.

It is a super-3 number, since 3×22312110213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312110113) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 214228 + ... + 300861.

Almost surely, 2^22312110213 is an apocalyptic number.

It is an amenable number.

22312110213 is a deficient number, since it is larger than the sum of its proper divisors (9923252167).

22312110213 is a wasteful number, since it uses less digits than its factorization.

22312110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519908 (or 519905 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22312110213 its reverse (31201121322), we get a palindrome (53513231535).

The spelling of 22312110213 in words is "twenty-two billion, three hundred twelve million, one hundred ten thousand, two hundred thirteen".