22558025 has 12 divisors (see below), whose sum is σ = 31968192. Its totient is φ = 15468240.

The previous prime is 22557991. The next prime is 22558051. The reversal of 22558025 is 52085522.

It is not a de Polignac number, because 22558025 - 2⁶ = 22557961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64277 + ... + 64626.

It is an arithmetic number, because the mean of its divisors is an integer number (2664016).

Almost surely, 2^22558025 is an apocalyptic number.

22558025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22558025 is a deficient number, since it is larger than the sum of its proper divisors (9410167).

22558025 is a wasteful number, since it uses less digits than its factorization.

22558025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128920 (or 128915 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 22558025 is about 4749.5289240092. The cubic root of 22558025 is about 282.5532830813.

The spelling of 22558025 in words is "twenty-two million, five hundred fifty-eight thousand, twenty-five".