13221002297 has 2 divisors, whose sum is σ = 13221002298. Its totient is φ = 13221002296.

The previous prime is 13221002293. The next prime is 13221002317. The reversal of 13221002297 is 79220012231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8468416576 + 4752585721 = 92024^2 + 68939^2 .

It is a cyclic number.

It is not a de Polignac number, because 13221002297 - 2² = 13221002293 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221002293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610501148 + 6610501149.

It is an arithmetic number, because the mean of its divisors is an integer number (6610501149).

Almost surely, 2^13221002297 is an apocalyptic number.

It is an amenable number.

13221002297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221002297 is an equidigital number, since it uses as much as digits as its factorization.

13221002297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 13221002297 in words is "thirteen billion, two hundred twenty-one million, two thousand, two hundred ninety-seven".