2297320309 has 2 divisors, whose sum is σ = 2297320310. Its totient is φ = 2297320308.

The previous prime is 2297320261. The next prime is 2297320349. The reversal of 2297320309 is 9030237922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1643086225 + 654234084 = 40535^2 + 25578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2297320309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2297320349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148660154 + 1148660155.

It is an arithmetic number, because the mean of its divisors is an integer number (1148660155).

Almost surely, 2^2297320309 is an apocalyptic number.

It is an amenable number.

2297320309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297320309 is an equidigital number, since it uses as much as digits as its factorization.

2297320309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 2297320309 is about 47930.3693810094. The cubic root of 2297320309 is about 1319.4932836614.

The spelling of 2297320309 in words is "two billion, two hundred ninety-seven million, three hundred twenty thousand, three hundred nine".