232640224 has 24 divisors (see below), whose sum is σ = 467758368. Its totient is φ = 113844480.

The previous prime is 232640207. The next prime is 232640249. The reversal of 232640224 is 422046232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75837 + ... + 78844.

It is an arithmetic number, because the mean of its divisors is an integer number (19489932).

Almost surely, 2^232640224 is an apocalyptic number.

It is an amenable number.

232640224 is an abundant number, since it is smaller than the sum of its proper divisors (235118144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232640224 is a wasteful number, since it uses less digits than its factorization.

232640224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154738 (or 154730 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 232640224 is about 15252.5481149872. The cubic root of 232640224 is about 615.0280675493.

Adding to 232640224 its reverse (422046232), we get a palindrome (654686456).

The spelling of 232640224 in words is "two hundred thirty-two million, six hundred forty thousand, two hundred twenty-four".