220455942 has 32 divisors (see below), whose sum is σ = 520157184. Its totient is φ = 60955200.

The previous prime is 220455887. The next prime is 220456001. The reversal of 220455942 is 249554022.

It is a congruent number.

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, 83359 + ... + 85962.

It is an arithmetic number, because the mean of its divisors is an integer number (16254912).

Almost surely, 2^220455942 is an apocalyptic number.

220455942 is an abundant number, since it is smaller than the sum of its proper divisors (299701242).

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

220455942 is a wasteful number, since it uses less digits than its factorization.

220455942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169364.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 220455942 is about 14847.7588207783. The cubic root of 220455942 is about 604.0978216050.

The spelling of 220455942 in words is "two hundred twenty million, four hundred fifty-five thousand, nine hundred forty-two".