2290331 has 4 divisors (see below), whose sum is σ = 2302392. Its totient is φ = 2278272.

The previous prime is 2290283. The next prime is 2290339. The reversal of 2290331 is 1330922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290331 is a prime.

It is a super-2 number, since 2×2290331² = 10491232179122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2290339) 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, 5741 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (575598).

2^2290331 is an apocalyptic number.

2290331 is a deficient number, since it is larger than the sum of its proper divisors (12061).

2290331 is a wasteful number, since it uses less digits than its factorization.

2290331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 2290331 is about 1513.3839565689. The cubic root of 2290331 is about 131.8153793372.

The spelling of 2290331 in words is "two million, two hundred ninety thousand, three hundred thirty-one".