2222044220 has 24 divisors (see below), whose sum is σ = 5090501808. Its totient is φ = 808016000.

The previous prime is 2222044183. The next prime is 2222044229. The reversal of 2222044220 is 224402222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2222044192 and 2222044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222044229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049881 + ... + 5050320.

It is an arithmetic number, because the mean of its divisors is an integer number (212104242).

Almost surely, 2^2222044220 is an apocalyptic number.

2222044220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222044220 is an abundant number, since it is smaller than the sum of its proper divisors (2868457588).

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

2222044220 is a wasteful number, since it uses less digits than its factorization.

2222044220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100221 (or 10100219 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2222044220 is about 47138.5640426180. The cubic root of 2222044220 is about 1304.9210367023.

Adding to 2222044220 its reverse (224402222), we get a palindrome (2446446442).

The spelling of 2222044220 in words is "two billion, two hundred twenty-two million, forty-four thousand, two hundred twenty".