13022232997 has 2 divisors, whose sum is σ = 13022232998. Its totient is φ = 13022232996.

The previous prime is 13022232913. The next prime is 13022233093. The reversal of 13022232997 is 79923222031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8942728356 + 4079504641 = 94566^2 + 63871^2 .

It is a cyclic number.

It is not a de Polignac number, because 13022232997 - 2¹⁵ = 13022200229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13022232907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511116498 + 6511116499.

It is an arithmetic number, because the mean of its divisors is an integer number (6511116499).

Almost surely, 2^13022232997 is an apocalyptic number.

It is an amenable number.

13022232997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022232997 is an equidigital number, since it uses as much as digits as its factorization.

13022232997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 13022232997 in words is "thirteen billion, twenty-two million, two hundred thirty-two thousand, nine hundred ninety-seven".