22312562537 has 2 divisors, whose sum is σ = 22312562538. Its totient is φ = 22312562536.

The previous prime is 22312562477. The next prime is 22312562603. The reversal of 22312562537 is 73526521322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22029683776 + 282878761 = 148424^2 + 16819^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312562537 - 2⁸ = 22312562281 is a prime.

It is a super-3 number, since 3×22312562537³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22312562537.

It is not a weakly prime, because it can be changed into another prime (22312562137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156281268 + 11156281269.

It is an arithmetic number, because the mean of its divisors is an integer number (11156281269).

Almost surely, 2^22312562537 is an apocalyptic number.

It is an amenable number.

22312562537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312562537 is an equidigital number, since it uses as much as digits as its factorization.

22312562537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The spelling of 22312562537 in words is "twenty-two billion, three hundred twelve million, five hundred sixty-two thousand, five hundred thirty-seven".