220905874 has 16 divisors (see below), whose sum is σ = 378931968. Its totient is φ = 94614912.

The previous prime is 220905863. The next prime is 220905917. The reversal of 220905874 is 478509022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24327 + ... + 32149.

It is an arithmetic number, because the mean of its divisors is an integer number (23683248).

Almost surely, 2^220905874 is an apocalyptic number.

220905874 is a deficient number, since it is larger than the sum of its proper divisors (158026094).

220905874 is a wasteful number, since it uses less digits than its factorization.

220905874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 220905874 is about 14862.9026101902. The cubic root of 220905874 is about 604.5085132516.

The spelling of 220905874 in words is "two hundred twenty million, nine hundred five thousand, eight hundred seventy-four".