222221002230131 has 2 divisors, whose sum is σ = 222221002230132. Its totient is φ = 222221002230130.

The previous prime is 222221002230113. The next prime is 222221002230209. The reversal of 222221002230131 is 131032200122222.

It is a happy number.

Together with previous prime (222221002230113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222221002230131 is a prime.

It is a super-2 number, since 2×222221002230131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222221002230097 and 222221002230106.

It is not a weakly prime, because it can be changed into another prime (222221002230431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110501115065 + 111110501115066.

It is an arithmetic number, because the mean of its divisors is an integer number (111110501115066).

Almost surely, 2^{222221002230131} is an apocalyptic number.

222221002230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221002230131 is an equidigital number, since it uses as much as digits as its factorization.

222221002230131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222221002230131 its reverse (131032200122222), we get a palindrome (353253202352353).

The spelling of 222221002230131 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, two hundred thirty thousand, one hundred thirty-one".