225331884 has 18 divisors (see below), whose sum is σ = 569589020. Its totient is φ = 75110616.

The previous prime is 225331877. The next prime is 225331903. The reversal of 225331884 is 488133522.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6259219 = 225331884 / (2 + 2 + 5 + 3 + 3 + 1 + 8 + 8 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3129574 + ... + 3129645.

Almost surely, 2^225331884 is an apocalyptic number.

It is an amenable number.

225331884 is an abundant number, since it is smaller than the sum of its proper divisors (344257136).

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

225331884 is a wasteful number, since it uses less digits than its factorization.

225331884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259229 (or 6259224 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 225331884 is about 15011.0587234878. The cubic root of 225331884 is about 608.5191023487.

The spelling of 225331884 in words is "two hundred twenty-five million, three hundred thirty-one thousand, eight hundred eighty-four".