1222230986917 has 2 divisors, whose sum is σ = 1222230986918. Its totient is φ = 1222230986916.

The previous prime is 1222230986897. The next prime is 1222230986923. The reversal of 1222230986917 is 7196890322221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218531184641 + 3699802276 = 1103871^2 + 60826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222230986917 - 2²⁷ = 1222096769189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222230986947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611115493458 + 611115493459.

It is an arithmetic number, because the mean of its divisors is an integer number (611115493459).

Almost surely, 2^{1222230986917} is an apocalyptic number.

It is an amenable number.

1222230986917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222230986917 is an equidigital number, since it uses as much as digits as its factorization.

1222230986917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 1222230986917 in words is "one trillion, two hundred twenty-two billion, two hundred thirty million, nine hundred eighty-six thousand, nine hundred seventeen".