22163700000 has 288 divisors, whose sum is σ = 78327611712. Its totient is φ = 5454720000.

The previous prime is 22163699983. The next prime is 22163700049. The reversal of 22163700000 is 736122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22163700000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3897159 + ... + 3902841.

It is an arithmetic number, because the mean of its divisors is an integer number (271970874).

Almost surely, 2^22163700000 is an apocalyptic number.

22163700000 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 22163700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39163805856).

22163700000 is an abundant number, since it is smaller than the sum of its proper divisors (56163911712).

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

22163700000 is an equidigital number, since it uses as much as digits as its factorization.

22163700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5706 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The spelling of 22163700000 in words is "twenty-two billion, one hundred sixty-three million, seven hundred thousand".