222116131 has 2 divisors, whose sum is σ = 222116132. Its totient is φ = 222116130.

The previous prime is 222116119. The next prime is 222116159. The reversal of 222116131 is 131611222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222116131 - 2⁷ = 222116003 is a prime.

It is a super-2 number, since 2×222116131² = 98671151300818322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222116099 and 222116108.

It is not a weakly prime, because it can be changed into another prime (222116161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111058065 + 111058066.

It is an arithmetic number, because the mean of its divisors is an integer number (111058066).

Almost surely, 2^222116131 is an apocalyptic number.

222116131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222116131 is an equidigital number, since it uses as much as digits as its factorization.

222116131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 222116131 is about 14903.5610174213. The cubic root of 222116131 is about 605.6104586618.

Adding to 222116131 its reverse (131611222), we get a palindrome (353727353).

The spelling of 222116131 in words is "two hundred twenty-two million, one hundred sixteen thousand, one hundred thirty-one".