22985957 has 2 divisors, whose sum is σ = 22985958. Its totient is φ = 22985956.

The previous prime is 22985933. The next prime is 22986001. The reversal of 22985957 is 75958922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12397441 + 10588516 = 3521^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 22985957 - 2⁸ = 22985701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22985057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492978 + 11492979.

It is an arithmetic number, because the mean of its divisors is an integer number (11492979).

Almost surely, 2^22985957 is an apocalyptic number.

It is an amenable number.

22985957 is a deficient number, since it is larger than the sum of its proper divisors (1).

22985957 is an equidigital number, since it uses as much as digits as its factorization.

22985957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The square root of 22985957 is about 4794.3672158065. The cubic root of 22985957 is about 284.3288073262.

The spelling of 22985957 in words is "twenty-two million, nine hundred eighty-five thousand, nine hundred fifty-seven".