22991198000 has 40 divisors (see below), whose sum is σ = 55592721600. Its totient is φ = 9196478400.

The previous prime is 22991197997. The next prime is 22991198023. The reversal of 22991198000 is 89119922.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5745800 + ... + 5749799.

It is an arithmetic number, because the mean of its divisors is an integer number (1389818040).

Almost surely, 2^22991198000 is an apocalyptic number.

22991198000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22991198000 is an abundant number, since it is smaller than the sum of its proper divisors (32601523600).

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

22991198000 is a wasteful number, since it uses less digits than its factorization.

22991198000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495622 (or 11495606 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 22991198000 in words is "twenty-two billion, nine hundred ninety-one million, one hundred ninety-eight thousand".