220568844 has 48 divisors (see below), whose sum is σ = 543656960. Its totient is φ = 69491520.

The previous prime is 220568839. The next prime is 220568849. The reversal of 220568844 is 448865022.

It is an interprime number because it is at equal distance from previous prime (220568839) and next prime (220568849).

It is a super-2 number, since 2×220568844² = 97301229886992672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220568849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9102 + ... + 22890.

Almost surely, 2^220568844 is an apocalyptic number.

It is an amenable number.

220568844 is an abundant number, since it is smaller than the sum of its proper divisors (323088116).

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

220568844 is a wasteful number, since it uses less digits than its factorization.

220568844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870 (or 13868 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 220568844 is about 14851.5603220672. The cubic root of 220568844 is about 604.2009294518.

The spelling of 220568844 in words is "two hundred twenty million, five hundred sixty-eight thousand, eight hundred forty-four".