2297291 has 2 divisors, whose sum is σ = 2297292. Its totient is φ = 2297290.

The previous prime is 2297257. The next prime is 2297297. The reversal of 2297291 is 1927922.

2297291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2297291 is a prime.

It is not a weakly prime, because it can be changed into another prime (2297297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148645 + 1148646.

It is an arithmetic number, because the mean of its divisors is an integer number (1148646).

2^2297291 is an apocalyptic number.

2297291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297291 is an equidigital number, since it uses as much as digits as its factorization.

2297291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 2297291 is about 1515.6816948159. The cubic root of 2297291 is about 131.9487672313.

The spelling of 2297291 in words is "two million, two hundred ninety-seven thousand, two hundred ninety-one".