23256225 has 36 divisors (see below), whose sum is σ = 42687372. Its totient is φ = 12096000.

The previous prime is 23256203. The next prime is 23256227. The reversal of 23256225 is 52265232.

23256225 is a `hidden beast` number, since 2 + 32 + 5 + 622 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12027024 + 11229201 = 3468^2 + 3351^2 .

It is not a de Polignac number, because 23256225 - 2⁵ = 23256193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7965 + ... + 10485.

Almost surely, 2^23256225 is an apocalyptic number.

23256225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23256225 is a deficient number, since it is larger than the sum of its proper divisors (19431147).

23256225 is a wasteful number, since it uses less digits than its factorization.

23256225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2570 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 23256225 is about 4822.4708397252. The cubic root of 23256225 is about 285.4388437726.

The spelling of 23256225 in words is "twenty-three million, two hundred fifty-six thousand, two hundred twenty-five".