22959257 has 2 divisors, whose sum is σ = 22959258. Its totient is φ = 22959256.

The previous prime is 22959253. The next prime is 22959259. The reversal of 22959257 is 75295922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14055001 + 8904256 = 3749^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 22959257 - 2² = 22959253 is a prime.

Together with 22959259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22959253) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11479628 + 11479629.

It is an arithmetic number, because the mean of its divisors is an integer number (11479629).

Almost surely, 2^22959257 is an apocalyptic number.

It is an amenable number.

22959257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22959257 is an equidigital number, since it uses as much as digits as its factorization.

22959257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 22959257 is about 4791.5818891051. The cubic root of 22959257 is about 284.2186745691.

The spelling of 22959257 in words is "twenty-two million, nine hundred fifty-nine thousand, two hundred fifty-seven".