22123222320000 has 320 divisors, whose sum is σ = 74438489370960. Its totient is φ = 5818705920000.

The previous prime is 22123222319987. The next prime is 22123222320037. The reversal of 22123222320000 is 2322232122.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16888630 + ... + 18151370.

Almost surely, 2^{22123222320000} is an apocalyptic number.

22123222320000 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 22123222320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37219244685480).

22123222320000 is an abundant number, since it is smaller than the sum of its proper divisors (52315267050960).

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

22123222320000 is an equidigital number, since it uses as much as digits as its factorization.

22123222320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262851 (or 1262824 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22123222320000 its reverse (2322232122), we get a palindrome (22125544552122).

The spelling of 22123222320000 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred twenty-two million, three hundred twenty thousand".