222323321220 has 576 divisors, whose sum is σ = 845093695488. Its totient is φ = 42494284800.

The previous prime is 222323321197. The next prime is 222323321237. The reversal of 222323321220 is 22123323222.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 321741075 + ... + 321741765.

Almost surely, 2^222323321220 is an apocalyptic number.

222323321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222323321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422546847744).

222323321220 is an abundant number, since it is smaller than the sum of its proper divisors (622770374268).

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

222323321220 is a wasteful number, since it uses less digits than its factorization.

222323321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 222323321220 its reverse (22123323222), we get a palindrome (244446644442).

The spelling of 222323321220 in words is "two hundred twenty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred twenty".