222774165 has 16 divisors (see below), whose sum is σ = 396043200. Its totient is φ = 118812816.

The previous prime is 222774163. The next prime is 222774169. The reversal of 222774165 is 561477222.

It is a happy number.

222774165 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 222774165 - 2¹ = 222774163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222774161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824955 + ... + 825224.

It is an arithmetic number, because the mean of its divisors is an integer number (24752700).

Almost surely, 2^222774165 is an apocalyptic number.

It is an amenable number.

222774165 is a deficient number, since it is larger than the sum of its proper divisors (173269035).

222774165 is a wasteful number, since it uses less digits than its factorization.

222774165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650193 (or 1650187 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 222774165 is about 14925.6210926045. The cubic root of 222774165 is about 606.2079229663.

The spelling of 222774165 in words is "two hundred twenty-two million, seven hundred seventy-four thousand, one hundred sixty-five".