22670725657 has 2 divisors, whose sum is σ = 22670725658. Its totient is φ = 22670725656.

The previous prime is 22670725621. The next prime is 22670725703. The reversal of 22670725657 is 75652707622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21404860416 + 1265865241 = 146304^2 + 35579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22670725657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22670725657.

It is not a weakly prime, because it can be changed into another prime (22670725757) 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 as a sum of consecutive naturals, namely, 11335362828 + 11335362829.

It is an arithmetic number, because the mean of its divisors is an integer number (11335362829).

Almost surely, 2^22670725657 is an apocalyptic number.

It is an amenable number.

22670725657 is a deficient number, since it is larger than the sum of its proper divisors (1).

22670725657 is an equidigital number, since it uses as much as digits as its factorization.

22670725657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 22670725657 in words is "twenty-two billion, six hundred seventy million, seven hundred twenty-five thousand, six hundred fifty-seven".