232642220 has 12 divisors (see below), whose sum is σ = 488548704. Its totient is φ = 93056880.

The previous prime is 232642219. The next prime is 232642231. The reversal of 232642220 is 22246232.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5816036 + ... + 5816075.

It is an arithmetic number, because the mean of its divisors is an integer number (40712392).

Almost surely, 2^232642220 is an apocalyptic number.

232642220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232642220 is an abundant number, since it is smaller than the sum of its proper divisors (255906484).

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

232642220 is a wasteful number, since it uses less digits than its factorization.

232642220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632120 (or 11632118 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 232642220 is about 15252.6135465369. The cubic root of 232642220 is about 615.0298264777.

Adding to 232642220 its reverse (22246232), we get a palindrome (254888452).

The spelling of 232642220 in words is "two hundred thirty-two million, six hundred forty-two thousand, two hundred twenty".