2299431 has 4 divisors (see below), whose sum is σ = 3065912. Its totient is φ = 1532952.

The previous prime is 2299397. The next prime is 2299433. The reversal of 2299431 is 1349922.

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

It is not a de Polignac number, because 2299431 - 2⁷ = 2299303 is a prime.

It is a super-2 number, since 2×2299431² = 10574765847522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299433) 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, 383236 + ... + 383241.

It is an arithmetic number, because the mean of its divisors is an integer number (766478).

2^2299431 is an apocalyptic number.

2299431 is a deficient number, since it is larger than the sum of its proper divisors (766481).

2299431 is an equidigital number, since it uses as much as digits as its factorization.

2299431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766480.

The product of its digits is 3888, while the sum is 30.

The square root of 2299431 is about 1516.3874834619. The cubic root of 2299431 is about 131.9897260140.

The spelling of 2299431 in words is "two million, two hundred ninety-nine thousand, four hundred thirty-one".