22381168864 has 48 divisors (see below), whose sum is σ = 46504886400. Its totient is φ = 10573524864.

The previous prime is 22381168841. The next prime is 22381168867. The reversal of 22381168864 is 46886118322.

It is a super-3 number, since 3×22381168864³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22381168867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181869 + ... + 278995.

It is an arithmetic number, because the mean of its divisors is an integer number (968851800).

Almost surely, 2^22381168864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22381168864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23252443200).

22381168864 is an abundant number, since it is smaller than the sum of its proper divisors (24123717536).

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

22381168864 is a wasteful number, since it uses less digits than its factorization.

22381168864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97535 (or 97527 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 22381168864 in words is "twenty-two billion, three hundred eighty-one million, one hundred sixty-eight thousand, eight hundred sixty-four".