2297091 has 16 divisors (see below), whose sum is σ = 3292704. Its totient is φ = 1419264.

The previous prime is 2297059. The next prime is 2297093. The reversal of 2297091 is 1907922.

It is not a de Polignac number, because 2297091 - 2⁵ = 2297059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2297093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3415 + ... + 4031.

It is an arithmetic number, because the mean of its divisors is an integer number (205794).

2^2297091 is an apocalyptic number.

2297091 is a deficient number, since it is larger than the sum of its proper divisors (995613).

2297091 is a wasteful number, since it uses less digits than its factorization.

2297091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 2297091 is about 1515.6157164664. The cubic root of 2297091 is about 131.9449380082.

The spelling of 2297091 in words is "two million, two hundred ninety-seven thousand, ninety-one".