4442022220 has 96 divisors (see below), whose sum is σ = 9956157120. Its totient is φ = 1661936640.

The previous prime is 4442022199. The next prime is 4442022229. The reversal of 4442022220 is 222202444.

It is a happy number.

It is a super-2 number, since 2×4442022220² = 39463122805947456800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4442022191 and 4442022200.

It is not an unprimeable number, because it can be changed into a prime (4442022229) 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 31 ways as a sum of consecutive naturals, for example, 2550550 + ... + 2552290.

It is an arithmetic number, because the mean of its divisors is an integer number (103709970).

Almost surely, 2^4442022220 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 4442022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4978078560).

4442022220 is an abundant number, since it is smaller than the sum of its proper divisors (5514134900).

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

4442022220 is a wasteful number, since it uses less digits than its factorization.

4442022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4442022220 is about 66648.4975074457. The cubic root of 4442022220 is about 1643.8426426506.

Adding to 4442022220 its reverse (222202444), we get a palindrome (4664224664).

The spelling of 4442022220 in words is "four billion, four hundred forty-two million, twenty-two thousand, two hundred twenty".