2201320997 has 2 divisors, whose sum is σ = 2201320998. Its totient is φ = 2201320996.

The previous prime is 2201320993. The next prime is 2201321039. The reversal of 2201320997 is 7990231022.

2201320997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1556618116 + 644702881 = 39454^2 + 25391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201320997 - 2² = 2201320993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201320993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100660498 + 1100660499.

It is an arithmetic number, because the mean of its divisors is an integer number (1100660499).

Almost surely, 2^2201320997 is an apocalyptic number.

It is an amenable number.

2201320997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201320997 is an equidigital number, since it uses as much as digits as its factorization.

2201320997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2201320997 is about 46918.2373603272. The cubic root of 2201320997 is about 1300.8517095240.

The spelling of 2201320997 in words is "two billion, two hundred one million, three hundred twenty thousand, nine hundred ninety-seven".