225188906025 has 12 divisors (see below), whose sum is σ = 372312324752. Its totient is φ = 120100749840.

The previous prime is 225188905979. The next prime is 225188906027. The reversal of 225188906025 is 520609881522.

It is not a de Polignac number, because 225188906025 - 2⁷ = 225188905897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225188906027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1501259299 + ... + 1501259448.

Almost surely, 2^225188906025 is an apocalyptic number.

225188906025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225188906025 is a deficient number, since it is larger than the sum of its proper divisors (147123418727).

225188906025 is a wasteful number, since it uses less digits than its factorization.

225188906025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002518760 (or 3002518755 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 225188906025 in words is "two hundred twenty-five billion, one hundred eighty-eight million, nine hundred six thousand, twenty-five".