22445852658 has 16 divisors (see below), whose sum is σ = 47532394080. Its totient is φ = 7041836096.

The previous prime is 22445852647. The next prime is 22445852683. The reversal of 22445852658 is 85625854422.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 22445852658.

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, 110028588 + ... + 110028791.

It is an arithmetic number, because the mean of its divisors is an integer number (2970774630).

Almost surely, 2^22445852658 is an apocalyptic number.

22445852658 is an abundant number, since it is smaller than the sum of its proper divisors (25086541422).

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

22445852658 is a wasteful number, since it uses less digits than its factorization.

22445852658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220057401.

The product of its digits is 6144000, while the sum is 51.

The spelling of 22445852658 in words is "twenty-two billion, four hundred forty-five million, eight hundred fifty-two thousand, six hundred fifty-eight".