220322986 has 16 divisors (see below), whose sum is σ = 356154624. Its totient is φ = 101616624.

The previous prime is 220322909. The next prime is 220323007. The reversal of 220322986 is 689223022.

220322986 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 61891 + ... + 65353.

It is an arithmetic number, because the mean of its divisors is an integer number (22259664).

Almost surely, 2^220322986 is an apocalyptic number.

220322986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220322986 is a deficient number, since it is larger than the sum of its proper divisors (135831638).

220322986 is a wasteful number, since it uses less digits than its factorization.

220322986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 220322986 is about 14843.2808367962. The cubic root of 220322986 is about 603.9763542780.

The spelling of 220322986 in words is "two hundred twenty million, three hundred twenty-two thousand, nine hundred eighty-six".