22258825 has 12 divisors (see below), whose sum is σ = 28801728. Its totient is φ = 17032400.

The previous prime is 22258813. The next prime is 22258843. The reversal of 22258825 is 52885222.

It is not a de Polignac number, because 22258825 - 2⁷ = 22258697 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

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, 18781 + ... + 19930.

It is an arithmetic number, because the mean of its divisors is an integer number (2400144).

Almost surely, 2^22258825 is an apocalyptic number.

22258825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22258825 is a deficient number, since it is larger than the sum of its proper divisors (6542903).

22258825 is a wasteful number, since it uses less digits than its factorization.

22258825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38744 (or 38739 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 22258825 is about 4717.9259214193. The cubic root of 22258825 is about 281.2984969868.

The spelling of 22258825 in words is "twenty-two million, two hundred fifty-eight thousand, eight hundred twenty-five".