22088656928 has 162 divisors, whose sum is σ = 49257664029. Its totient is φ = 9745811712.

The previous prime is 22088656927. The next prime is 22088656981. The reversal of 22088656928 is 82965688022.

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 18886455184 + 3202201744 = 137428^2 + 56588^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105092.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22088656927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 469971401 + ... + 469971447.

Almost surely, 2^22088656928 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 22088656928

22088656928 is an abundant number, since it is smaller than the sum of its proper divisors (27169007101).

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

22088656928 is an equidigital number, since it uses as much as digits as its factorization.

22088656928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 22088656928 in words is "twenty-two billion, eighty-eight million, six hundred fifty-six thousand, nine hundred twenty-eight".