22556655360 has 288 divisors, whose sum is σ = 84755522880. Its totient is φ = 5661130752.

The previous prime is 22556655349. The next prime is 22556655361. The reversal of 22556655360 is 6355665522.

22556655360 is a `hidden beast` number, since 2 + 2 + 5 + 56 + 65 + 536 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556655361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568324 + ... + 606716.

It is an arithmetic number, because the mean of its divisors is an integer number (294290010).

Almost surely, 2^22556655360 is an apocalyptic number.

22556655360 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 22556655360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42377761440).

22556655360 is an abundant number, since it is smaller than the sum of its proper divisors (62198867520).

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

22556655360 is a wasteful number, since it uses less digits than its factorization.

22556655360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38440 (or 38420 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 22556655360 in words is "twenty-two billion, five hundred fifty-six million, six hundred fifty-five thousand, three hundred sixty".