225315388 has 12 divisors (see below), whose sum is σ = 394408840. Its totient is φ = 112627152.

The previous prime is 225315379. The next prime is 225315397. The reversal of 225315388 is 883513522.

225315388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225315379) and next prime (225315397).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 20395 + ... + 29437.

Almost surely, 2^225315388 is an apocalyptic number.

It is an amenable number.

225315388 is a deficient number, since it is larger than the sum of its proper divisors (169093452).

225315388 is a wasteful number, since it uses less digits than its factorization.

225315388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276 (or 15274 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 225315388 is about 15010.5092518542. The cubic root of 225315388 is about 608.5042525844.

The spelling of 225315388 in words is "two hundred twenty-five million, three hundred fifteen thousand, three hundred eighty-eight".