22004663328 has 54 divisors (see below), whose sum is σ = 62582921037. Its totient is φ = 7334048640.

The previous prime is 22004663327. The next prime is 22004663353. The reversal of 22004663328 is 82336640022.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 19513854864 + 2490808464 = 139692^2 + 49908^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=104892.

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

It is a junction number, because it is equal to n+sod(n) for n = 22004663292 and 22004663301.

It is not an unprimeable number, because it can be changed into a prime (22004663321) 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 8 ways as a sum of consecutive naturals, for example, 2513038 + ... + 2521778.

Almost surely, 2^22004663328 is an apocalyptic number.

It is an amenable number.

22004663328 is an abundant number, since it is smaller than the sum of its proper divisors (40578257709).

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

22004663328 is an frugal number, since it uses more digits than its factorization.

22004663328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498 (or 8746 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 22004663328 in words is "twenty-two billion, four million, six hundred sixty-three thousand, three hundred twenty-eight".