22957807 has 2 divisors, whose sum is σ = 22957808. Its totient is φ = 22957806.

The previous prime is 22957801. The next prime is 22957811. The reversal of 22957807 is 70875922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22957807 - 2²³ = 14569199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22957807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22957801) 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, 11478903 + 11478904.

It is an arithmetic number, because the mean of its divisors is an integer number (11478904).

Almost surely, 2^22957807 is an apocalyptic number.

22957807 is a deficient number, since it is larger than the sum of its proper divisors (1).

22957807 is an equidigital number, since it uses as much as digits as its factorization.

22957807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 22957807 is about 4791.4305796912. The cubic root of 22957807 is about 284.2126911328.

The spelling of 22957807 in words is "twenty-two million, nine hundred fifty-seven thousand, eight hundred seven".