2298531 has 4 divisors (see below), whose sum is σ = 3064712. Its totient is φ = 1532352.

The previous prime is 2298503. The next prime is 2298577. The reversal of 2298531 is 1358922.

It is a happy number.

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

It is not a de Polignac number, because 2298531 - 2⁹ = 2298019 is a prime.

It is a super-2 number, since 2×2298531² = 10566489515922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2298631) 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, 383086 + ... + 383091.

It is an arithmetic number, because the mean of its divisors is an integer number (766178).

2^2298531 is an apocalyptic number.

2298531 is a deficient number, since it is larger than the sum of its proper divisors (766181).

2298531 is an equidigital number, since it uses as much as digits as its factorization.

2298531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766180.

The product of its digits is 4320, while the sum is 30.

The square root of 2298531 is about 1516.0906964954. The cubic root of 2298531 is about 131.9725034554.

The spelling of 2298531 in words is "two million, two hundred ninety-eight thousand, five hundred thirty-one".