222525165 has 16 divisors (see below), whose sum is σ = 357192576. Its totient is φ = 118296000.

The previous prime is 222525143. The next prime is 222525179. The reversal of 222525165 is 561525222.

It is not a de Polignac number, because 222525165 - 2⁶ = 222525101 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19186 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (22324536).

Almost surely, 2^222525165 is an apocalyptic number.

It is an amenable number.

222525165 is a deficient number, since it is larger than the sum of its proper divisors (134667411).

222525165 is a wasteful number, since it uses less digits than its factorization.

222525165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48020.

The product of its digits is 12000, while the sum is 30.

The square root of 222525165 is about 14917.2773990430. The cubic root of 222525165 is about 605.9819810782.

The spelling of 222525165 in words is "two hundred twenty-two million, five hundred twenty-five thousand, one hundred sixty-five".