22381827648 has 56 divisors (see below), whose sum is σ = 59371016640. Its totient is φ = 7441405440.

The previous prime is 22381827647. The next prime is 22381827661. The reversal of 22381827648 is 84672818322.

It is a self number, because there is not a number n which added to its sum of digits gives 22381827648.

It is not an unprimeable number, because it can be changed into a prime (22381827647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75148 + ... + 224523.

Almost surely, 2^22381827648 is an apocalyptic number.

It is an amenable number.

22381827648 is an abundant number, since it is smaller than the sum of its proper divisors (36989188992).

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

22381827648 is a wasteful number, since it uses less digits than its factorization.

22381827648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300075 (or 300065 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The spelling of 22381827648 in words is "twenty-two billion, three hundred eighty-one million, eight hundred twenty-seven thousand, six hundred forty-eight".