22845700720 has 20 divisors (see below), whose sum is σ = 53116254360. Its totient is φ = 9138280256.

The previous prime is 22845700711. The next prime is 22845700741. The reversal of 22845700720 is 2700754822.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 22845700720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142785550 + ... + 142785709.

It is an arithmetic number, because the mean of its divisors is an integer number (2655812718).

Almost surely, 2^22845700720 is an apocalyptic number.

22845700720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22845700720 is an abundant number, since it is smaller than the sum of its proper divisors (30270553640).

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

22845700720 is a wasteful number, since it uses less digits than its factorization.

22845700720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285571272 (or 285571266 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The spelling of 22845700720 in words is "twenty-two billion, eight hundred forty-five million, seven hundred thousand, seven hundred twenty".