22103444220 has 96 divisors (see below), whose sum is σ = 72709539840. Its totient is φ = 4946223360.

The previous prime is 22103444203. The next prime is 22103444221. The reversal of 22103444220 is 2244430122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103444221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1279500 + ... + 1296659.

It is an arithmetic number, because the mean of its divisors is an integer number (757391040).

Almost surely, 2^22103444220 is an apocalyptic number.

22103444220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103444220 is an abundant number, since it is smaller than the sum of its proper divisors (50606095620).

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

22103444220 is a wasteful number, since it uses less digits than its factorization.

22103444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576195 (or 2576193 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22103444220 its reverse (2244430122), we get a palindrome (24347874342).

The spelling of 22103444220 in words is "twenty-two billion, one hundred three million, four hundred forty-four thousand, two hundred twenty".