222424131 has 16 divisors (see below), whose sum is σ = 305074944. Its totient is φ = 144041184.

The previous prime is 222424087. The next prime is 222424151. The reversal of 222424131 is 131424222.

It is not a de Polignac number, because 222424131 - 2⁶ = 222424067 is a prime.

It is a super-2 number, since 2×222424131² = 98944988102210322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222424098 and 222424107.

It is not an unprimeable number, because it can be changed into a prime (222424151) 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, 90586 + ... + 93008.

It is an arithmetic number, because the mean of its divisors is an integer number (19067184).

Almost surely, 2^222424131 is an apocalyptic number.

222424131 is a deficient number, since it is larger than the sum of its proper divisors (82650813).

222424131 is a wasteful number, since it uses less digits than its factorization.

222424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290.

The product of its digits is 768, while the sum is 21.

The square root of 222424131 is about 14913.8905386891. The cubic root of 222424131 is about 605.8902550453.

Adding to 222424131 its reverse (131424222), we get a palindrome (353848353).

Subtracting from 222424131 its reverse (131424222), we obtain a palindrome (90999909).

The spelling of 222424131 in words is "two hundred twenty-two million, four hundred twenty-four thousand, one hundred thirty-one".