2239331 has 2 divisors, whose sum is σ = 2239332. Its totient is φ = 2239330.

The previous prime is 2239327. The next prime is 2239333. The reversal of 2239331 is 1339322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2239331 - 2² = 2239327 is a prime.

It is a super-2 number, since 2×2239331² = 10029206655122, which contains 22 as substring.

Together with 2239333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2239297 and 2239306.

It is not a weakly prime, because it can be changed into another prime (2239333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119665 + 1119666.

It is an arithmetic number, because the mean of its divisors is an integer number (1119666).

2^2239331 is an apocalyptic number.

2239331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239331 is an equidigital number, since it uses as much as digits as its factorization.

2239331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 2239331 is about 1496.4394408061. The cubic root of 2239331 is about 130.8296252572.

Subtracting from 2239331 its reverse (1339322), we obtain a palindrome (900009).

The spelling of 2239331 in words is "two million, two hundred thirty-nine thousand, three hundred thirty-one".