232213220 has 48 divisors (see below), whose sum is σ = 494702208. Its totient is φ = 91553280.

The previous prime is 232213213. The next prime is 232213243. The reversal of 232213220 is 22312232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688892 + ... + 689228.

It is an arithmetic number, because the mean of its divisors is an integer number (10306296).

Almost surely, 2^232213220 is an apocalyptic number.

232213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232213220 is an abundant number, since it is smaller than the sum of its proper divisors (262488988).

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

232213220 is a wasteful number, since it uses less digits than its factorization.

232213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 232213220 is about 15238.5438936927. The cubic root of 232213220 is about 614.6515487038.

Adding to 232213220 its reverse (22312232), we get a palindrome (254525452).

The spelling of 232213220 in words is "two hundred thirty-two million, two hundred thirteen thousand, two hundred twenty".