222320220131 has 2 divisors, whose sum is σ = 222320220132. Its totient is φ = 222320220130.

The previous prime is 222320220107. The next prime is 222320220139. The reversal of 222320220131 is 131022023222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222320220131 - 2¹⁸ = 222319957987 is a prime.

It is a super-2 number, since 2×222320220131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222320220139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160110065 + 111160110066.

It is an arithmetic number, because the mean of its divisors is an integer number (111160110066).

Almost surely, 2^222320220131 is an apocalyptic number.

222320220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320220131 is an equidigital number, since it uses as much as digits as its factorization.

222320220131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222320220131 its reverse (131022023222), we get a palindrome (353342243353).

The spelling of 222320220131 in words is "two hundred twenty-two billion, three hundred twenty million, two hundred twenty thousand, one hundred thirty-one".