22978936680 has 256 divisors, whose sum is σ = 84294604800. Its totient is φ = 4894110720.

The previous prime is 22978936667. The next prime is 22978936681. The reversal of 22978936680 is 8663987922.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (22978936681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 961759 + ... + 985361.

It is an arithmetic number, because the mean of its divisors is an integer number (329275800).

Almost surely, 2^22978936680 is an apocalyptic number.

22978936680 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 22978936680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42147302400).

22978936680 is an abundant number, since it is smaller than the sum of its proper divisors (61315668120).

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

22978936680 is a wasteful number, since it uses less digits than its factorization.

22978936680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23704 (or 23700 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 22978936680 in words is "twenty-two billion, nine hundred seventy-eight million, nine hundred thirty-six thousand, six hundred eighty".