22197824000 has 160 divisors (see below), whose sum is σ = 60385545792. Its totient is φ = 8071680000.

The previous prime is 22197823997. The next prime is 22197824021. The reversal of 22197824000 is 42879122.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688235 + ... + 719765.

Almost surely, 2^22197824000 is an apocalyptic number.

22197824000 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 22197824000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30192772896).

22197824000 is an abundant number, since it is smaller than the sum of its proper divisors (38187721792).

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

22197824000 is an equidigital number, since it uses as much as digits as its factorization.

22197824000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31575 (or 31549 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 22197824000 in words is "twenty-two billion, one hundred ninety-seven million, eight hundred twenty-four thousand".