22665028537 has 2 divisors, whose sum is σ = 22665028538. Its totient is φ = 22665028536.

The previous prime is 22665028531. The next prime is 22665028553. The reversal of 22665028537 is 73582056622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21186549136 + 1478479401 = 145556^2 + 38451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22665028537 is a prime.

It is not a weakly prime, because it can be changed into another prime (22665028531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332514268 + 11332514269.

It is an arithmetic number, because the mean of its divisors is an integer number (11332514269).

Almost surely, 2^22665028537 is an apocalyptic number.

It is an amenable number.

22665028537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22665028537 is an equidigital number, since it uses as much as digits as its factorization.

22665028537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 22665028537 in words is "twenty-two billion, six hundred sixty-five million, twenty-eight thousand, five hundred thirty-seven".