1222402041709 has 2 divisors, whose sum is σ = 1222402041710. Its totient is φ = 1222402041708.

The previous prime is 1222402041691. The next prime is 1222402041733. The reversal of 1222402041709 is 9071402042221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149945246025 + 72456795684 = 1072355^2 + 269178^2 .

It is an emirp because it is prime and its reverse (9071402042221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222402041709 - 2⁵ = 1222402041677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222402041739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611201020854 + 611201020855.

It is an arithmetic number, because the mean of its divisors is an integer number (611201020855).

Almost surely, 2^{1222402041709} is an apocalyptic number.

It is an amenable number.

1222402041709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222402041709 is an equidigital number, since it uses as much as digits as its factorization.

1222402041709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 1222402041709 in words is "one trillion, two hundred twenty-two billion, four hundred two million, forty-one thousand, seven hundred nine".