220474924 has 6 divisors (see below), whose sum is σ = 385831124. Its totient is φ = 110237460.

The previous prime is 220474913. The next prime is 220474927. The reversal of 220474924 is 429474022.

It is a happy number.

It is a super-2 number, since 2×220474924² = 97218384225611552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220474924.

It is not an unprimeable number, because it can be changed into a prime (220474927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27559362 + ... + 27559369.

Almost surely, 2^220474924 is an apocalyptic number.

It is an amenable number.

220474924 is a deficient number, since it is larger than the sum of its proper divisors (165356200).

220474924 is a wasteful number, since it uses less digits than its factorization.

220474924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55118735 (or 55118733 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 220474924 is about 14848.3980280702. The cubic root of 220474924 is about 604.1151593939.

The spelling of 220474924 in words is "two hundred twenty million, four hundred seventy-four thousand, nine hundred twenty-four".