225869828 has 12 divisors (see below), whose sum is σ = 396732672. Its totient is φ = 112517640.

The previous prime is 225869801. The next prime is 225869843. The reversal of 225869828 is 828968522.

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, 103100 + ... + 105267.

It is an arithmetic number, because the mean of its divisors is an integer number (33061056).

Almost surely, 2^225869828 is an apocalyptic number.

It is an amenable number.

225869828 is a deficient number, since it is larger than the sum of its proper divisors (170862844).

225869828 is a wasteful number, since it uses less digits than its factorization.

225869828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208642 (or 208640 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 225869828 is about 15028.9662984518. The cubic root of 225869828 is about 609.0029649977.

The spelling of 225869828 in words is "two hundred twenty-five million, eight hundred sixty-nine thousand, eight hundred twenty-eight".