1222339561231 has 2 divisors, whose sum is σ = 1222339561232. Its totient is φ = 1222339561230.

The previous prime is 1222339561211. The next prime is 1222339561259. The reversal of 1222339561231 is 1321659332221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222339561231 - 2⁹ = 1222339560719 is a prime.

It is a super-2 number, since 2×1222339561231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222339561211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611169780615 + 611169780616.

It is an arithmetic number, because the mean of its divisors is an integer number (611169780616).

Almost surely, 2^{1222339561231} is an apocalyptic number.

1222339561231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222339561231 is an equidigital number, since it uses as much as digits as its factorization.

1222339561231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The spelling of 1222339561231 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-nine million, five hundred sixty-one thousand, two hundred thirty-one".