22681727328 has 48 divisors (see below), whose sum is σ = 64119501936. Its totient is φ = 6978992640.

The previous prime is 22681727297. The next prime is 22681727329. The reversal of 22681727328 is 82372718622.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22681727329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9085983 + ... + 9088478.

It is an arithmetic number, because the mean of its divisors is an integer number (1335822957).

Almost surely, 2^22681727328 is an apocalyptic number.

It is an amenable number.

22681727328 is an abundant number, since it is smaller than the sum of its proper divisors (41437774608).

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

22681727328 is a wasteful number, since it uses less digits than its factorization.

22681727328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18174487 (or 18174479 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 22681727328 in words is "twenty-two billion, six hundred eighty-one million, seven hundred twenty-seven thousand, three hundred twenty-eight".