22812637537 has 2 divisors, whose sum is σ = 22812637538. Its totient is φ = 22812637536.

The previous prime is 22812637531. The next prime is 22812637541. The reversal of 22812637537 is 73573621822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12499016401 + 10313621136 = 111799^2 + 101556^2 .

It is a cyclic number.

It is not a de Polignac number, because 22812637537 - 2²⁷ = 22678419809 is a prime.

It is not a weakly prime, because it can be changed into another prime (22812637531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11406318768 + 11406318769.

It is an arithmetic number, because the mean of its divisors is an integer number (11406318769).

Almost surely, 2^22812637537 is an apocalyptic number.

It is an amenable number.

22812637537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22812637537 is an equidigital number, since it uses as much as digits as its factorization.

22812637537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 46.

The spelling of 22812637537 in words is "twenty-two billion, eight hundred twelve million, six hundred thirty-seven thousand, five hundred thirty-seven".