222412131 has 24 divisors (see below), whose sum is σ = 329060160. Its totient is φ = 144694656.

The previous prime is 222412129. The next prime is 222412147. The reversal of 222412131 is 131214222.

It is a happy number.

222412131 is a `hidden beast` number, since 222 + 412 + 1 + 31 = 666.

It is not a de Polignac number, because 222412131 - 2¹ = 222412129 is a prime.

It is a super-2 number, since 2×222412131² = 98934312031922322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222412111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214791 + ... + 215823.

It is an arithmetic number, because the mean of its divisors is an integer number (13710840).

Almost surely, 2^222412131 is an apocalyptic number.

222412131 is a deficient number, since it is larger than the sum of its proper divisors (106648029).

222412131 is a wasteful number, since it uses less digits than its factorization.

222412131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1592 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 222412131 is about 14913.4882237523. The cubic root of 222412131 is about 605.8793587248.

Adding to 222412131 its reverse (131214222), we get a palindrome (353626353).

The spelling of 222412131 in words is "two hundred twenty-two million, four hundred twelve thousand, one hundred thirty-one".