225374784 has 28 divisors (see below), whose sum is σ = 596304624. Its totient is φ = 75124864.

The previous prime is 225374767. The next prime is 225374791. The reversal of 225374784 is 487473522.

It is a happy number.

225374784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 586722 + ... + 587105.

Almost surely, 2^225374784 is an apocalyptic number.

225374784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225374784 is an abundant number, since it is smaller than the sum of its proper divisors (370929840).

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

225374784 is a wasteful number, since it uses less digits than its factorization.

225374784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173842 (or 1173832 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 225374784 is about 15012.4876019932. The cubic root of 225374784 is about 608.5577177050.

The spelling of 225374784 in words is "two hundred twenty-five million, three hundred seventy-four thousand, seven hundred eighty-four".