2232631 has 4 divisors (see below), whose sum is σ = 2239992. Its totient is φ = 2225272.

The previous prime is 2232613. The next prime is 2232653. The reversal of 2232631 is 1362322.

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

It is a cyclic number.

It is not a de Polignac number, because 2232631 - 2¹¹ = 2230583 is a prime.

It is a super-3 number, since 3×2232631³ = 33386593281507886773, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

2232631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2232599 and 2232608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232931) 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, 3205 + ... + 3838.

It is an arithmetic number, because the mean of its divisors is an integer number (559998).

2^2232631 is an apocalyptic number.

2232631 is a deficient number, since it is larger than the sum of its proper divisors (7361).

2232631 is an equidigital number, since it uses as much as digits as its factorization.

2232631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360.

The product of its digits is 432, while the sum is 19.

The square root of 2232631 is about 1494.1991165839. The cubic root of 2232631 is about 130.6990156903.

Adding to 2232631 its reverse (1362322), we get a palindrome (3594953).

The spelling of 2232631 in words is "two million, two hundred thirty-two thousand, six hundred thirty-one".