2231337 has 4 divisors (see below), whose sum is σ = 2975120. Its totient is φ = 1487556.

The previous prime is 2231329. The next prime is 2231351. The reversal of 2231337 is 7331322.

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.

It is not a de Polignac number, because 2231337 - 2³ = 2231329 is a prime.

It is a super-3 number, since 3×2231337³ = 33328575789379769259, which contains 333 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 (2231357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371887 + ... + 371892.

It is an arithmetic number, because the mean of its divisors is an integer number (743780).

2^2231337 is an apocalyptic number.

It is an amenable number.

2231337 is a deficient number, since it is larger than the sum of its proper divisors (743783).

2231337 is an equidigital number, since it uses as much as digits as its factorization.

2231337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743782.

The product of its digits is 756, while the sum is 21.

The square root of 2231337 is about 1493.7660459389. The cubic root of 2231337 is about 130.6737604032.

Adding to 2231337 its reverse (7331322), we get a palindrome (9562659).

The spelling of 2231337 in words is "two million, two hundred thirty-one thousand, three hundred thirty-seven".