22504259 has 2 divisors, whose sum is σ = 22504260. Its totient is φ = 22504258.

The previous prime is 22504253. The next prime is 22504267. The reversal of 22504259 is 95240522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22504259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22504253) 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, 11252129 + 11252130.

It is an arithmetic number, because the mean of its divisors is an integer number (11252130).

Almost surely, 2^22504259 is an apocalyptic number.

22504259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22504259 is an equidigital number, since it uses as much as digits as its factorization.

22504259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 22504259 is about 4743.8654070283. The cubic root of 22504259 is about 282.3286203069.

The spelling of 22504259 in words is "twenty-two million, five hundred four thousand, two hundred fifty-nine".