220428162 has 32 divisors (see below), whose sum is σ = 496748160. Its totient is φ = 72439920.

The previous prime is 220428133. The next prime is 220428179. The reversal of 220428162 is 261824022.

It is a happy number.

220428162 is a `hidden beast` number, since 220 + 428 + 16 + 2 = 666.

220428162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 24913 + ... + 32580.

It is an arithmetic number, because the mean of its divisors is an integer number (15523380).

Almost surely, 2^220428162 is an apocalyptic number.

220428162 is an abundant number, since it is smaller than the sum of its proper divisors (276319998).

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

220428162 is a wasteful number, since it uses less digits than its factorization.

220428162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57575 (or 57569 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 220428162 is about 14846.8232965844. The cubic root of 220428162 is about 604.0724461002.

The spelling of 220428162 in words is "two hundred twenty million, four hundred twenty-eight thousand, one hundred sixty-two".