222321788928 has 324 divisors, whose sum is σ = 675712334115. Its totient is φ = 70415769600.

The previous prime is 222321788911. The next prime is 222321788933. The reversal of 222321788928 is 829887123222.

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.

222321788928 is a `hidden beast` number, since 222 + 321 + 7 + 8 + 8 + 92 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111160894464 + 111160894464 = 333408^2 + 333408^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333408.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1472329653 + ... + 1472329803.

Almost surely, 2^222321788928 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 222321788928

222321788928 is an abundant number, since it is smaller than the sum of its proper divisors (453390545187).

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

222321788928 is an equidigital number, since it uses as much as digits as its factorization.

222321788928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 179 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 222321788928 in words is "two hundred twenty-two billion, three hundred twenty-one million, seven hundred eighty-eight thousand, nine hundred twenty-eight".