22908800720 has 80 divisors (see below), whose sum is σ = 57572481792. Its totient is φ = 8427317760.

The previous prime is 22908800641. The next prime is 22908800741. The reversal of 22908800720 is 2700880922.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 241199 + ... + 322481.

Almost surely, 2^22908800720 is an apocalyptic number.

22908800720 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 22908800720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28786240896).

22908800720 is an abundant number, since it is smaller than the sum of its proper divisors (34663681072).

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

22908800720 is a wasteful number, since it uses less digits than its factorization.

22908800720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81580 (or 81574 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 22908800720 in words is "twenty-two billion, nine hundred eight million, eight hundred thousand, seven hundred twenty".