22100443304220 has 36 divisors (see below), whose sum is σ = 67038011356680. Its totient is φ = 5893451547744.

The previous prime is 22100443304209. The next prime is 22100443304227. The reversal of 22100443304220 is 2240334400122.

22100443304220 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 0 + 4 + 433 + 0 + 4 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100443304227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61390120110 + ... + 61390120469.

It is an arithmetic number, because the mean of its divisors is an integer number (1862166982130).

Almost surely, 2^{22100443304220} is an apocalyptic number.

22100443304220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100443304220 is an abundant number, since it is smaller than the sum of its proper divisors (44937568052460).

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

22100443304220 is a wasteful number, since it uses less digits than its factorization.

22100443304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122780240594 (or 122780240589 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22100443304220 its reverse (2240334400122), we get a palindrome (24340777704342).

The spelling of 22100443304220 in words is "twenty-two trillion, one hundred billion, four hundred forty-three million, three hundred four thousand, two hundred twenty".