2290697 has 4 divisors (see below), whose sum is σ = 2411280. Its totient is φ = 2170116.

The previous prime is 2290649. The next prime is 2290703. The reversal of 2290697 is 7960922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7960922 = 2 ⋅3980461.

It is a cyclic number.

It is not a de Polignac number, because 2290697 - 2⁸ = 2290441 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2290627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60263 + ... + 60300.

It is an arithmetic number, because the mean of its divisors is an integer number (602820).

2^2290697 is an apocalyptic number.

It is an amenable number.

2290697 is a deficient number, since it is larger than the sum of its proper divisors (120583).

2290697 is a wasteful number, since it uses less digits than its factorization.

2290697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120582.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2290697 is about 1513.5048728035. The cubic root of 2290697 is about 131.8224004271.

The spelling of 2290697 in words is "two million, two hundred ninety thousand, six hundred ninety-seven".