22387768480 has 432 divisors, whose sum is σ = 69537388032. Its totient is φ = 6660403200.

The previous prime is 22387768433. The next prime is 22387768483. The reversal of 22387768480 is 8486778322.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22387768483) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 306681724 + ... + 306681796.

It is an arithmetic number, because the mean of its divisors is an integer number (160966176).

Almost surely, 2^22387768480 is an apocalyptic number.

22387768480 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 22387768480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34768694016).

22387768480 is an abundant number, since it is smaller than the sum of its proper divisors (47149619552).

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

22387768480 is a wasteful number, since it uses less digits than its factorization.

22387768480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 22387768480 in words is "twenty-two billion, three hundred eighty-seven million, seven hundred sixty-eight thousand, four hundred eighty".