2292391 has 2 divisors, whose sum is σ = 2292392. Its totient is φ = 2292390.

The previous prime is 2292371. The next prime is 2292403. The reversal of 2292391 is 1932922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2292391 - 2⁵ = 2292359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2292361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146195 + 1146196.

It is an arithmetic number, because the mean of its divisors is an integer number (1146196).

2^2292391 is an apocalyptic number.

2292391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2292391 is an equidigital number, since it uses as much as digits as its factorization.

2292391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 2292391 is about 1514.0643975736. The cubic root of 2292391 is about 131.8548872092.

The spelling of 2292391 in words is "two million, two hundred ninety-two thousand, three hundred ninety-one".