22001321196 has 48 divisors (see below), whose sum is σ = 57098764800. Its totient is φ = 7326277776.

The previous prime is 22001321189. The next prime is 22001321213. The reversal of 22001321196 is 69112310022.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 2545 + ... + 209783.

It is an arithmetic number, because the mean of its divisors is an integer number (1189557600).

Almost surely, 2^22001321196 is an apocalyptic number.

It is an amenable number.

22001321196 is an abundant number, since it is smaller than the sum of its proper divisors (35097443604).

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

22001321196 is a wasteful number, since it uses less digits than its factorization.

22001321196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208235 (or 208227 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 22001321196 in words is "twenty-two billion, one million, three hundred twenty-one thousand, one hundred ninety-six".