222531113 has 16 divisors (see below), whose sum is σ = 263122944. Its totient is φ = 184168080.

The previous prime is 222531109. The next prime is 222531131. The reversal of 222531113 is 311135222.

It is a cyclic number.

It is not a de Polignac number, because 222531113 - 2² = 222531109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222531103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126506 + ... + 128252.

It is an arithmetic number, because the mean of its divisors is an integer number (16445184).

Almost surely, 2^222531113 is an apocalyptic number.

It is an amenable number.

222531113 is a deficient number, since it is larger than the sum of its proper divisors (40591831).

222531113 is a wasteful number, since it uses less digits than its factorization.

222531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372.

The product of its digits is 360, while the sum is 20.

The square root of 222531113 is about 14917.4767638498. The cubic root of 222531113 is about 605.9873802409.

Adding to 222531113 its reverse (311135222), we get a palindrome (533666335).

The spelling of 222531113 in words is "two hundred twenty-two million, five hundred thirty-one thousand, one hundred thirteen".