22745846140 has 24 divisors (see below), whose sum is σ = 47779613280. Its totient is φ = 9095798208.

The previous prime is 22745846117. The next prime is 22745846153. The reversal of 22745846140 is 4164854722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84495 + ... + 229414.

It is an arithmetic number, because the mean of its divisors is an integer number (1990817220).

Almost surely, 2^22745846140 is an apocalyptic number.

22745846140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22745846140 is an abundant number, since it is smaller than the sum of its proper divisors (25033767140).

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

22745846140 is a wasteful number, since it uses less digits than its factorization.

22745846140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317541 (or 317539 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 22745846140 in words is "twenty-two billion, seven hundred forty-five million, eight hundred forty-six thousand, one hundred forty".