225997250 has 32 divisors (see below), whose sum is σ = 432926208. Its totient is φ = 88292400.

The previous prime is 225997249. The next prime is 225997273. The reversal of 225997250 is 52799522.

225997250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225997198 and 225997207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239 + ... + 21261.

It is an arithmetic number, because the mean of its divisors is an integer number (13528944).

Almost surely, 2^225997250 is an apocalyptic number.

225997250 is a deficient number, since it is larger than the sum of its proper divisors (206928958).

225997250 is a wasteful number, since it uses less digits than its factorization.

225997250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083 (or 21073 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 225997250 is about 15033.2049144552. The cubic root of 225997250 is about 609.1174642628.

The spelling of 225997250 in words is "two hundred twenty-five million, nine hundred ninety-seven thousand, two hundred fifty".