22217324120 has 32 divisors (see below), whose sum is σ = 50382604800. Its totient is φ = 8816951808.

The previous prime is 22217324119. The next prime is 22217324141. The reversal of 22217324120 is 2142371222.

It is a self number, because there is not a number n which added to its sum of digits gives 22217324120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181665 + ... + 2191824.

It is an arithmetic number, because the mean of its divisors is an integer number (1574456400).

Almost surely, 2^22217324120 is an apocalyptic number.

22217324120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22217324120 is an abundant number, since it is smaller than the sum of its proper divisors (28165280680).

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

22217324120 is a wasteful number, since it uses less digits than its factorization.

22217324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373627 (or 4373623 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 22217324120 its reverse (2142371222), we get a palindrome (24359695342).

The spelling of 22217324120 in words is "twenty-two billion, two hundred seventeen million, three hundred twenty-four thousand, one hundred twenty".