22700418720 has 384 divisors, whose sum is σ = 87218933760. Its totient is φ = 4847247360.

The previous prime is 22700418707. The next prime is 22700418757. The reversal of 22700418720 is 2781400722.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4657885 + ... + 4662755.

It is an arithmetic number, because the mean of its divisors is an integer number (227132640).

Almost surely, 2^22700418720 is an apocalyptic number.

22700418720 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 22700418720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43609466880).

22700418720 is an abundant number, since it is smaller than the sum of its proper divisors (64518515040).

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

22700418720 is a wasteful number, since it uses less digits than its factorization.

22700418720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The spelling of 22700418720 in words is "twenty-two billion, seven hundred million, four hundred eighteen thousand, seven hundred twenty".