22203220128 has 48 divisors (see below), whose sum is σ = 58305635136. Its totient is φ = 7398256640.

The previous prime is 22203220121. The next prime is 22203220129. The reversal of 22203220128 is 82102230222.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22203220098 and 22203220107.

It is not an unprimeable number, because it can be changed into a prime (22203220121) 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 7 ways as a sum of consecutive naturals, for example, 217600 + ... + 302912.

It is an arithmetic number, because the mean of its divisors is an integer number (1214700732).

Almost surely, 2^22203220128 is an apocalyptic number.

It is an amenable number.

22203220128 is an abundant number, since it is smaller than the sum of its proper divisors (36102415008).

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

22203220128 is a wasteful number, since it uses less digits than its factorization.

22203220128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88037 (or 88029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 22203220128 in words is "twenty-two billion, two hundred three million, two hundred twenty thousand, one hundred twenty-eight".