222564155 has 16 divisors (see below), whose sum is σ = 292119264. Its totient is φ = 161441280.

The previous prime is 222564137. The next prime is 222564161. The reversal of 222564155 is 551465222.

222564155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222564155 - 2⁶ = 222564091 is a prime.

It is a Duffinian 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, 16739 + ... + 26931.

It is an arithmetic number, because the mean of its divisors is an integer number (18257454).

Almost surely, 2^222564155 is an apocalyptic number.

222564155 is a deficient number, since it is larger than the sum of its proper divisors (69555109).

222564155 is a wasteful number, since it uses less digits than its factorization.

222564155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606.

The product of its digits is 24000, while the sum is 32.

The square root of 222564155 is about 14918.5842156687. The cubic root of 222564155 is about 606.0173716188.

The spelling of 222564155 in words is "two hundred twenty-two million, five hundred sixty-four thousand, one hundred fifty-five".