22019793984 has 84 divisors (see below), whose sum is σ = 63136353280. Its totient is φ = 7337537280.

The previous prime is 22019793977. The next prime is 22019794001. The reversal of 22019793984 is 48939791022.

It is a self number, because there is not a number n which added to its sum of digits gives 22019793984.

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 11 ways as a sum of consecutive naturals, for example, 3124737 + ... + 3131775.

Almost surely, 2^22019793984 is an apocalyptic number.

22019793984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22019793984 is an abundant number, since it is smaller than the sum of its proper divisors (41116559296).

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

22019793984 is a wasteful number, since it uses less digits than its factorization.

22019793984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488 (or 12475 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

It can be divided in two parts, 22019 and 793984, that added together give a triangular number (816003 = T₁₂₇₇).

The spelling of 22019793984 in words is "twenty-two billion, nineteen million, seven hundred ninety-three thousand, nine hundred eighty-four".