22555364208 has 160 divisors (see below), whose sum is σ = 66851554560. Its totient is φ = 6495344640.

The previous prime is 22555364203. The next prime is 22555364219. The reversal of 22555364208 is 80246355522.

It is a self number, because there is not a number n which added to its sum of digits gives 22555364208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555364203) 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, 972588 + ... + 995508.

It is an arithmetic number, because the mean of its divisors is an integer number (417822216).

Almost surely, 2^22555364208 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 22555364208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33425777280).

22555364208 is an abundant number, since it is smaller than the sum of its proper divisors (44296190352).

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

22555364208 is a wasteful number, since it uses less digits than its factorization.

22555364208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047 (or 23041 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 22555364208 in words is "twenty-two billion, five hundred fifty-five million, three hundred sixty-four thousand, two hundred eight".