225499924 has 12 divisors (see below), whose sum is σ = 424980724. Its totient is φ = 104076864.

The previous prime is 225499909. The next prime is 225499931. The reversal of 225499924 is 429994522.

225499924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8880400 + 216619524 = 2980^2 + 14718^2 .

It is a congruent number.

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, 2168217 + ... + 2168320.

Almost surely, 2^225499924 is an apocalyptic number.

It is an amenable number.

225499924 is a deficient number, since it is larger than the sum of its proper divisors (199480800).

225499924 is a wasteful number, since it uses less digits than its factorization.

225499924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336554 (or 4336552 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 225499924 is about 15016.6548871578. The cubic root of 225499924 is about 608.6703313416.

The spelling of 225499924 in words is "two hundred twenty-five million, four hundred ninety-nine thousand, nine hundred twenty-four".