222321223300 has 144 divisors (see below), whose sum is σ = 534485790720. Its totient is φ = 79591824000.

The previous prime is 222321223277. The next prime is 222321223363. The reversal of 222321223300 is 3322123222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31888815 + ... + 31895785.

It is an arithmetic number, because the mean of its divisors is an integer number (3711706880).

Almost surely, 2^222321223300 is an apocalyptic number.

222321223300 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 222321223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267242895360).

222321223300 is an abundant number, since it is smaller than the sum of its proper divisors (312164567420).

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

222321223300 is a wasteful number, since it uses less digits than its factorization.

222321223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442 (or 7435 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 222321223300 its reverse (3322123222), we get a palindrome (225643346522).

The spelling of 222321223300 in words is "two hundred twenty-two billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred".