22034194640 has 40 divisors (see below), whose sum is σ = 51377202720. Its totient is φ = 8788267136.

The previous prime is 22034194627. The next prime is 22034194661. The reversal of 22034194640 is 4649143022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22034194640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369110 + ... + 424629.

It is an arithmetic number, because the mean of its divisors is an integer number (1284430068).

Almost surely, 2^22034194640 is an apocalyptic number.

22034194640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22034194640 is an abundant number, since it is smaller than the sum of its proper divisors (29343008080).

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

22034194640 is a wasteful number, since it uses less digits than its factorization.

22034194640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794099 (or 794093 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 22034194640 in words is "twenty-two billion, thirty-four million, one hundred ninety-four thousand, six hundred forty".