1222644713 has 2 divisors, whose sum is σ = 1222644714. Its totient is φ = 1222644712.

The previous prime is 1222644707. The next prime is 1222644721. The reversal of 1222644713 is 3174462221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221991849 + 652864 = 34957^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222644713 - 2¹⁶ = 1222579177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222644713.

It is not a weakly prime, because it can be changed into another prime (1222643713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611322356 + 611322357.

It is an arithmetic number, because the mean of its divisors is an integer number (611322357).

Almost surely, 2^1222644713 is an apocalyptic number.

It is an amenable number.

1222644713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222644713 is an equidigital number, since it uses as much as digits as its factorization.

1222644713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 1222644713 is about 34966.3368541802. The cubic root of 1222644713 is about 1069.3012915947.

The spelling of 1222644713 in words is "one billion, two hundred twenty-two million, six hundred forty-four thousand, seven hundred thirteen".