22656816037 has 2 divisors, whose sum is σ = 22656816038. Its totient is φ = 22656816036.

The previous prime is 22656815963. The next prime is 22656816043. The reversal of 22656816037 is 73061865622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14982004801 + 7674811236 = 122401^2 + 87606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22656816037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22656816047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11328408018 + 11328408019.

It is an arithmetic number, because the mean of its divisors is an integer number (11328408019).

Almost surely, 2^22656816037 is an apocalyptic number.

It is an amenable number.

22656816037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22656816037 is an equidigital number, since it uses as much as digits as its factorization.

22656816037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 22656816037 in words is "twenty-two billion, six hundred fifty-six million, eight hundred sixteen thousand, thirty-seven".