22111300320 has 48 divisors (see below), whose sum is σ = 69650597520. Its totient is φ = 5896346624.

The previous prime is 22111300271. The next prime is 22111300363. The reversal of 22111300320 is 2300311122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22111300320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23032125 + ... + 23033084.

It is an arithmetic number, because the mean of its divisors is an integer number (1451054115).

Almost surely, 2^22111300320 is an apocalyptic number.

22111300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111300320 is an abundant number, since it is smaller than the sum of its proper divisors (47539297200).

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

22111300320 is a wasteful number, since it uses less digits than its factorization.

22111300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46065227 (or 46065219 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22111300320 its reverse (2300311122), we get a palindrome (24411611442).

The spelling of 22111300320 in words is "twenty-two billion, one hundred eleven million, three hundred thousand, three hundred twenty".