220155250 has 32 divisors (see below), whose sum is σ = 471010176. Its totient is φ = 75481200.

The previous prime is 220155209. The next prime is 220155311. The reversal of 220155250 is 52551022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61152 + ... + 64651.

It is an arithmetic number, because the mean of its divisors is an integer number (14719068).

Almost surely, 2^220155250 is an apocalyptic number.

220155250 is an abundant number, since it is smaller than the sum of its proper divisors (250854926).

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

220155250 is a wasteful number, since it uses less digits than its factorization.

220155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125827 (or 125817 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 220155250 is about 14837.6295276570. The cubic root of 220155250 is about 603.8230425426.

The spelling of 220155250 in words is "two hundred twenty million, one hundred fifty-five thousand, two hundred fifty".