2297040997 has 2 divisors, whose sum is σ = 2297040998. Its totient is φ = 2297040996.

The previous prime is 2297040989. The next prime is 2297041013. The reversal of 2297040997 is 7990407922.

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., 1928439396 + 368601601 = 43914^2 + 19199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297040997 - 2³ = 2297040989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2297040997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2297040937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148520498 + 1148520499.

It is an arithmetic number, because the mean of its divisors is an integer number (1148520499).

Almost surely, 2^2297040997 is an apocalyptic number.

It is an amenable number.

2297040997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297040997 is an equidigital number, since it uses as much as digits as its factorization.

2297040997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 2297040997 is about 47927.4555656776. The cubic root of 2297040997 is about 1319.4398061026.

The spelling of 2297040997 in words is "two billion, two hundred ninety-seven million, forty thousand, nine hundred ninety-seven".