1222242422249 has 2 divisors, whose sum is σ = 1222242422250. Its totient is φ = 1222242422248.

The previous prime is 1222242422201. The next prime is 1222242422257. The reversal of 1222242422249 is 9422242422221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215627528025 + 6614894224 = 1102555^2 + 81332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222242422249 - 2²⁰ = 1222241373673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222242422299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611121211124 + 611121211125.

It is an arithmetic number, because the mean of its divisors is an integer number (611121211125).

Almost surely, 2^{1222242422249} is an apocalyptic number.

It is an amenable number.

1222242422249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222242422249 is an equidigital number, since it uses as much as digits as its factorization.

1222242422249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 38.

The spelling of 1222242422249 in words is "one trillion, two hundred twenty-two billion, two hundred forty-two million, four hundred twenty-two thousand, two hundred forty-nine".