4442388220 has 12 divisors (see below), whose sum is σ = 9329015304. Its totient is φ = 1776955280.

The previous prime is 4442388193. The next prime is 4442388227. The reversal of 4442388220 is 228832444.

It is a self number, because there is not a number n which added to its sum of digits gives 4442388220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442388227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111059686 + ... + 111059725.

It is an arithmetic number, because the mean of its divisors is an integer number (777417942).

Almost surely, 2^4442388220 is an apocalyptic number.

It is an amenable number.

4442388220 is an abundant number, since it is smaller than the sum of its proper divisors (4886627084).

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

4442388220 is a wasteful number, since it uses less digits than its factorization.

4442388220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222119420 (or 222119418 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 4442388220 is about 66651.2431992082. The cubic root of 4442388220 is about 1643.8877894970.

The spelling of 4442388220 in words is "four billion, four hundred forty-two million, three hundred eighty-eight thousand, two hundred twenty".