2222312071961 has 2 divisors, whose sum is σ = 2222312071962. Its totient is φ = 2222312071960.

The previous prime is 2222312071937. The next prime is 2222312072017. The reversal of 2222312071961 is 1691702132222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1218718849936 + 1003593222025 = 1103956^2 + 1001795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222312071961 - 2⁶ = 2222312071897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222312071061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111156035980 + 1111156035981.

It is an arithmetic number, because the mean of its divisors is an integer number (1111156035981).

Almost surely, 2^{2222312071961} is an apocalyptic number.

It is an amenable number.

2222312071961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222312071961 is an equidigital number, since it uses as much as digits as its factorization.

2222312071961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 2222312071961 in words is "two trillion, two hundred twenty-two billion, three hundred twelve million, seventy-one thousand, nine hundred sixty-one".