222321231104 has 72 divisors (see below), whose sum is σ = 508802356608. Its totient is φ = 94973921280.

The previous prime is 222321231101. The next prime is 222321231137. The reversal of 222321231104 is 401132123222.

It is a self number, because there is not a number n which added to its sum of digits gives 222321231104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321231101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357854 + ... + 756770.

Almost surely, 2^222321231104 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 222321231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254401178304).

222321231104 is an abundant number, since it is smaller than the sum of its proper divisors (286481125504).

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

222321231104 is an equidigital number, since it uses as much as digits as its factorization.

222321231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399251 (or 399237 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 222321231104 its reverse (401132123222), we get a palindrome (623453354326).

The spelling of 222321231104 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred thirty-one thousand, one hundred four".