22445142650 has 48 divisors (see below), whose sum is σ = 47807190144. Its totient is φ = 7680118080.

The previous prime is 22445142637. The next prime is 22445142667. The reversal of 22445142650 is 5624154422.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22445142650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112304 + ... + 239796.

It is an arithmetic number, because the mean of its divisors is an integer number (995983128).

Almost surely, 2^22445142650 is an apocalyptic number.

22445142650 is an abundant number, since it is smaller than the sum of its proper divisors (25362047494).

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

22445142650 is a wasteful number, since it uses less digits than its factorization.

22445142650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128015 (or 128010 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 22445142650 in words is "twenty-two billion, four hundred forty-five million, one hundred forty-two thousand, six hundred fifty".