22055040288 has 90 divisors (see below), whose sum is σ = 64885504761. Its totient is φ = 7349159808.

The previous prime is 22055040277. The next prime is 22055040311. The reversal of 22055040288 is 88204055022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

22055040288 is a `hidden beast` number, since 2 + 20 + 550 + 4 + 0 + 2 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11843533584 + 10211506704 = 108828^2 + 101052^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 7559406 + ... + 7562322.

Almost surely, 2^22055040288 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 22055040288

22055040288 is an abundant number, since it is smaller than the sum of its proper divisors (42830464473).

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

22055040288 is an frugal number, since it uses more digits than its factorization.

22055040288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 2922 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The spelling of 22055040288 in words is "twenty-two billion, fifty-five million, forty thousand, two hundred eighty-eight".