225931908 has 12 divisors (see below), whose sum is σ = 527174480. Its totient is φ = 75310632.

The previous prime is 225931889. The next prime is 225931913. The reversal of 225931908 is 809139522.

225931908 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9413818 + ... + 9413841.

Almost surely, 2^225931908 is an apocalyptic number.

It is an amenable number.

225931908 is an abundant number, since it is smaller than the sum of its proper divisors (301242572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225931908 is a wasteful number, since it uses less digits than its factorization.

225931908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827666 (or 18827664 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 225931908 is about 15031.0315015304. The cubic root of 225931908 is about 609.0587544188.

The spelling of 225931908 in words is "two hundred twenty-five million, nine hundred thirty-one thousand, nine hundred eight".