566444220 has 48 divisors (see below), whose sum is σ = 1606133760. Its totient is φ = 149138496.

The previous prime is 566444167. The next prime is 566444227. The reversal of 566444220 is 22444665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566444227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55012 + ... + 64491.

It is an arithmetic number, because the mean of its divisors is an integer number (33461120).

Almost surely, 2^566444220 is an apocalyptic number.

It is an amenable number.

566444220 is an abundant number, since it is smaller than the sum of its proper divisors (1039689540).

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

566444220 is a wasteful number, since it uses less digits than its factorization.

566444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119594 (or 119592 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 566444220 is about 23800.0886552971. The cubic root of 566444220 is about 827.4067315465.

Adding to 566444220 its reverse (22444665), we get a palindrome (588888885).

The spelling of 566444220 in words is "five hundred sixty-six million, four hundred forty-four thousand, two hundred twenty".