22588225 has 12 divisors (see below), whose sum is σ = 30556080. Its totient is φ = 16427600.

The previous prime is 22588219. The next prime is 22588273. The reversal of 22588225 is 52288522.

It is not a de Polignac number, because 22588225 - 2⁵ = 22588193 is a prime.

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, 40795 + ... + 41344.

It is an arithmetic number, because the mean of its divisors is an integer number (2546340).

Almost surely, 2^22588225 is an apocalyptic number.

22588225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22588225 is a deficient number, since it is larger than the sum of its proper divisors (7967855).

22588225 is a wasteful number, since it uses less digits than its factorization.

22588225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82160 (or 82155 counting only the distinct ones).

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

The square root of 22588225 is about 4752.7071233140. The cubic root of 22588225 is about 282.6793181106.

The spelling of 22588225 in words is "twenty-two million, five hundred eighty-eight thousand, two hundred twenty-five".