22688552880 has 240 divisors, whose sum is σ = 87223256640. Its totient is φ = 5177475072.

The previous prime is 22688552857. The next prime is 22688552881. The reversal of 22688552880 is 8825588622.

22688552880 is a `hidden beast` number, since 2 + 2 + 6 + 8 + 8 + 552 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (22688552881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3388576 + ... + 3395264.

It is an arithmetic number, because the mean of its divisors is an integer number (363430236).

Almost surely, 2^22688552880 is an apocalyptic number.

22688552880 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 22688552880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43611628320).

22688552880 is an abundant number, since it is smaller than the sum of its proper divisors (64534703760).

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

22688552880 is a wasteful number, since it uses less digits than its factorization.

22688552880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7379 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 54.

The spelling of 22688552880 in words is "twenty-two billion, six hundred eighty-eight million, five hundred fifty-two thousand, eight hundred eighty".