220957922 has 16 divisors (see below), whose sum is σ = 334152000. Its totient is φ = 109577520.

The previous prime is 220957907. The next prime is 220957939. The reversal of 220957922 is 229759022.

220957922 is digitally balanced in base 2, because in such base 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, 216329 + ... + 217347.

It is an arithmetic number, because the mean of its divisors is an integer number (20884500).

Almost surely, 2^220957922 is an apocalyptic number.

220957922 is a deficient number, since it is larger than the sum of its proper divisors (113194078).

220957922 is a wasteful number, since it uses less digits than its factorization.

220957922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 220957922 is about 14864.6534436562. The cubic root of 220957922 is about 604.5559859418. Note that the first 3 decimals are identical.

The spelling of 220957922 in words is "two hundred twenty million, nine hundred fifty-seven thousand, nine hundred twenty-two".