222888165 has 16 divisors (see below), whose sum is σ = 357213888. Its totient is φ = 118676096.

The previous prime is 222888157. The next prime is 222888179. The reversal of 222888165 is 561888222.

It is a cyclic number.

It is not a de Polignac number, because 222888165 - 2³ = 222888157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787 + ... + 21296.

It is an arithmetic number, because the mean of its divisors is an integer number (22325868).

Almost surely, 2^222888165 is an apocalyptic number.

It is an amenable number.

222888165 is a deficient number, since it is larger than the sum of its proper divisors (134325723).

222888165 is a wasteful number, since it uses less digits than its factorization.

222888165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24708.

The product of its digits is 122880, while the sum is 42.

The square root of 222888165 is about 14929.4395407195. The cubic root of 222888165 is about 606.3113100570.

The spelling of 222888165 in words is "two hundred twenty-two million, eight hundred eighty-eight thousand, one hundred sixty-five".