222321123192 has 96 divisors (see below), whose sum is σ = 638986838400. Its totient is φ = 63142227648.

The previous prime is 222321123163. The next prime is 222321123257. The reversal of 222321123192 is 291321123222.

222321123192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81764409 + ... + 81767127.

It is an arithmetic number, because the mean of its divisors is an integer number (6656112900).

Almost surely, 2^222321123192 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 222321123192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319493419200).

222321123192 is an abundant number, since it is smaller than the sum of its proper divisors (416665715208).

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

222321123192 is an equidigital number, since it uses as much as digits as its factorization.

222321123192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5633 (or 2910 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

Adding to 222321123192 its sum of digits (30), we get a palindrome (222321123222).

The spelling of 222321123192 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred ninety-two".