566233220 has 72 divisors (see below), whose sum is σ = 1387131480. Its totient is φ = 193589760.

The previous prime is 566233141. The next prime is 566233271. The reversal of 566233220 is 22332665.

It can be written as a sum of positive squares in 4 ways, for example, as 7761796 + 558471424 = 2786^2 + 23632^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510026 + ... + 511134.

It is an arithmetic number, because the mean of its divisors is an integer number (19265715).

Almost surely, 2^566233220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693565740).

566233220 is an abundant number, since it is smaller than the sum of its proper divisors (820898260).

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

566233220 is a wasteful number, since it uses less digits than its factorization.

566233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 566233220 is about 23795.6554858235. The cubic root of 566233220 is about 827.3039826814.

Adding to 566233220 its reverse (22332665), we get a palindrome (588565885).

The spelling of 566233220 in words is "five hundred sixty-six million, two hundred thirty-three thousand, two hundred twenty".