1222323321389 has 2 divisors, whose sum is σ = 1222323321390. Its totient is φ = 1222323321388.

The previous prime is 1222323321377. The next prime is 1222323321407. The reversal of 1222323321389 is 9831233232221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1153228993225 + 69094328164 = 1073885^2 + 262858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222323321389 is a prime.

It is a super-2 number, since 2×1222323321389² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222323321889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161660694 + 611161660695.

It is an arithmetic number, because the mean of its divisors is an integer number (611161660695).

Almost surely, 2^{1222323321389} is an apocalyptic number.

It is an amenable number.

1222323321389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222323321389 is an equidigital number, since it uses as much as digits as its factorization.

1222323321389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The spelling of 1222323321389 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred eighty-nine".