220901222 has 32 divisors (see below), whose sum is σ = 346705920. Its totient is φ = 105487200.

The previous prime is 220901209. The next prime is 220901231. The reversal of 220901222 is 222109022.

It is a junction number, because it is equal to n+sod(n) for n = 220901194 and 220901203.

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, 1121228 + ... + 1121424.

It is an arithmetic number, because the mean of its divisors is an integer number (10834560).

Almost surely, 2^220901222 is an apocalyptic number.

220901222 is a deficient number, since it is larger than the sum of its proper divisors (125804698).

220901222 is a wasteful number, since it uses less digits than its factorization.

220901222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 220901222 is about 14862.7461123441. The cubic root of 220901222 is about 604.5042698253.

The spelling of 220901222 in words is "two hundred twenty million, nine hundred one thousand, two hundred twenty-two".