22959157 has 12 divisors (see below), whose sum is σ = 25215204. Its totient is φ = 20891520.

The previous prime is 22959143. The next prime is 22959161. The reversal of 22959157 is 75195922.

It can be written as a sum of positive squares in 6 ways, for example, as 10278436 + 12680721 = 3206^2 + 3561^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22959157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22959107) 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 in 11 ways as a sum of consecutive naturals, for example, 11407 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (2101267).

Almost surely, 2^22959157 is an apocalyptic number.

It is an amenable number.

22959157 is a deficient number, since it is larger than the sum of its proper divisors (2256047).

22959157 is a wasteful number, since it uses less digits than its factorization.

22959157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1947 counting only the distinct ones).

The product of its digits is 56700, while the sum is 40.

The square root of 22959157 is about 4791.5714541265. The cubic root of 22959157 is about 284.2182619264.

It can be divided in two parts, 2295915 and 7, that added together give a palindrome (2295922).

The spelling of 22959157 in words is "twenty-two million, nine hundred fifty-nine thousand, one hundred fifty-seven".