22199977800000 has 5040 divisors, whose sum is σ = 113504922470016. Its totient is φ = 4143052800000.

The previous prime is 22199977799947. The next prime is 22199977800151. The reversal of 22199977800000 is 877999122.

It is a tau number, because it is divible by the number of its divisors (5040).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22199977800000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 599999399982 + ... + 599999400018.

Almost surely, 2^{22199977800000} is an apocalyptic number.

22199977800000 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 22199977800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56752461235008).

22199977800000 is an abundant number, since it is smaller than the sum of its proper divisors (91304944670016).

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

22199977800000 is an equidigital number, since it uses as much as digits as its factorization.

22199977800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 22199977800000 in words is "twenty-two trillion, one hundred ninety-nine billion, nine hundred seventy-seven million, eight hundred thousand".