1222248660517 has 2 divisors, whose sum is σ = 1222248660518. Its totient is φ = 1222248660516.

The previous prime is 1222248660487. The next prime is 1222248660533. The reversal of 1222248660517 is 7150668422221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207286722756 + 14961937761 = 1098766^2 + 122319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222248660517 - 2⁷ = 1222248660389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222248660547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611124330258 + 611124330259.

It is an arithmetic number, because the mean of its divisors is an integer number (611124330259).

Almost surely, 2^{1222248660517} is an apocalyptic number.

It is an amenable number.

1222248660517 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222248660517 is an equidigital number, since it uses as much as digits as its factorization.

1222248660517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 1222248660517 in words is "one trillion, two hundred twenty-two billion, two hundred forty-eight million, six hundred sixty thousand, five hundred seventeen".