22204111220 has 48 divisors (see below), whose sum is σ = 48966035328. Its totient is φ = 8441347200.

The previous prime is 22204111219. The next prime is 22204111229. The reversal of 22204111220 is 2211140222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204111229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81506 + ... + 225945.

It is an arithmetic number, because the mean of its divisors is an integer number (1020125736).

Almost surely, 2^22204111220 is an apocalyptic number.

22204111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204111220 is an abundant number, since it is smaller than the sum of its proper divisors (26761924108).

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

22204111220 is a wasteful number, since it uses less digits than its factorization.

22204111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307640 (or 307638 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22204111220 its reverse (2211140222), we get a palindrome (24415251442).

The spelling of 22204111220 in words is "twenty-two billion, two hundred four million, one hundred eleven thousand, two hundred twenty".