22975657 has 2 divisors, whose sum is σ = 22975658. Its totient is φ = 22975656.

The previous prime is 22975639. The next prime is 22975663. The reversal of 22975657 is 75657922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21678336 + 1297321 = 4656^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 22975657 - 2¹¹ = 22973609 is a prime.

It is not a weakly prime, because it can be changed into another prime (22975607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11487828 + 11487829.

It is an arithmetic number, because the mean of its divisors is an integer number (11487829).

Almost surely, 2^22975657 is an apocalyptic number.

It is an amenable number.

22975657 is a deficient number, since it is larger than the sum of its proper divisors (1).

22975657 is an equidigital number, since it uses as much as digits as its factorization.

22975657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 43.

The square root of 22975657 is about 4793.2929182348. The cubic root of 22975657 is about 284.2863317652.

It can be divided in two parts, 22975 and 657, that added together give a palindrome (23632).

The spelling of 22975657 in words is "twenty-two million, nine hundred seventy-five thousand, six hundred fifty-seven".