22000755840 has 128 divisors (see below), whose sum is σ = 80145659520. Its totient is φ = 5028741120.

The previous prime is 22000755839. The next prime is 22000755877. The reversal of 22000755840 is 4855700022.

It is a tau number, because it is divible by the number of its divisors (128).

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, 805041 + ... + 831920.

It is an arithmetic number, because the mean of its divisors is an integer number (626137965).

Almost surely, 2^22000755840 is an apocalyptic number.

22000755840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000755840 is an abundant number, since it is smaller than the sum of its proper divisors (58144903680).

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

22000755840 is a wasteful number, since it uses less digits than its factorization.

22000755840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636990 (or 1636978 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 22000755840 in words is "twenty-two billion, seven hundred fifty-five thousand, eight hundred forty".