220568238 has 48 divisors (see below), whose sum is σ = 538777680. Its totient is φ = 66836880.

The previous prime is 220568191. The next prime is 220568269. The reversal of 220568238 is 832865022.

It is a super-2 number, since 2×220568238² = 97300695228849288, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10345 + ... + 23412.

It is an arithmetic number, because the mean of its divisors is an integer number (11224535).

Almost surely, 2^220568238 is an apocalyptic number.

220568238 is an abundant number, since it is smaller than the sum of its proper divisors (318209442).

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

220568238 is a wasteful number, since it uses less digits than its factorization.

220568238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33790 (or 33773 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 220568238 is about 14851.5399201564. The cubic root of 220568238 is about 604.2003761157.

The spelling of 220568238 in words is "two hundred twenty million, five hundred sixty-eight thousand, two hundred thirty-eight".