22105543324560 has 640 divisors, whose sum is σ = 74359679961600. Its totient is φ = 5420370493440.

The previous prime is 22105543324549. The next prime is 22105543324577. The reversal of 22105543324560 is 6542334550122.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3661673862 + ... + 3661679898.

It is an arithmetic number, because the mean of its divisors is an integer number (116186999940).

Almost surely, 2^{22105543324560} is an apocalyptic number.

22105543324560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22105543324560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37179839980800).

22105543324560 is an abundant number, since it is smaller than the sum of its proper divisors (52254136637040).

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

22105543324560 is a wasteful number, since it uses less digits than its factorization.

22105543324560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 22105543324560 its reverse (6542334550122), we get a palindrome (28647877874682).

The spelling of 22105543324560 in words is "twenty-two trillion, one hundred five billion, five hundred forty-three million, three hundred twenty-four thousand, five hundred sixty".