22185565360 has 120 divisors (see below), whose sum is σ = 60084078480. Its totient is φ = 7596191232.

The previous prime is 22185565343. The next prime is 22185565361. The reversal of 22185565360 is 6356558122.

It is not an unprimeable number, because it can be changed into a prime (22185565361) 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 23 ways as a sum of consecutive naturals, for example, 3246267 + ... + 3253093.

It is an arithmetic number, because the mean of its divisors is an integer number (500700654).

Almost surely, 2^22185565360 is an apocalyptic number.

22185565360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22185565360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30042039240).

22185565360 is an abundant number, since it is smaller than the sum of its proper divisors (37898513120).

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

22185565360 is a wasteful number, since it uses less digits than its factorization.

22185565360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7683 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 22185565360 in words is "twenty-two billion, one hundred eighty-five million, five hundred sixty-five thousand, three hundred sixty".