22341528978 has 16 divisors (see below), whose sum is σ = 44941343616. Its totient is φ = 7404128720.

The previous prime is 22341528971. The next prime is 22341529003. The reversal of 22341528978 is 87982514322.

It is a self number, because there is not a number n which added to its sum of digits gives 22341528978.

It is not an unprimeable number, because it can be changed into a prime (22341528971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10760778 + ... + 10762853.

It is an arithmetic number, because the mean of its divisors is an integer number (2808833976).

Almost surely, 2^22341528978 is an apocalyptic number.

22341528978 is an abundant number, since it is smaller than the sum of its proper divisors (22599814638).

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

22341528978 is a wasteful number, since it uses less digits than its factorization.

22341528978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523809.

The product of its digits is 1935360, while the sum is 51.

The spelling of 22341528978 in words is "twenty-two billion, three hundred forty-one million, five hundred twenty-eight thousand, nine hundred seventy-eight".