220468225 has 24 divisors (see below), whose sum is σ = 286231680. Its totient is φ = 168136320.

The previous prime is 220468217. The next prime is 220468231. The reversal of 220468225 is 522864022.

It is not a de Polignac number, because 220468225 - 2³ = 220468217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262356 + ... + 263194.

It is an arithmetic number, because the mean of its divisors is an integer number (11926320).

Almost surely, 2^220468225 is an apocalyptic number.

220468225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220468225 is a deficient number, since it is larger than the sum of its proper divisors (65763455).

220468225 is a wasteful number, since it uses less digits than its factorization.

220468225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 220468225 is about 14848.1724464663. The cubic root of 220468225 is about 604.1090407714.

The spelling of 220468225 in words is "two hundred twenty million, four hundred sixty-eight thousand, two hundred twenty-five".