222243304300 has 72 divisors (see below), whose sum is σ = 486404493120. Its totient is φ = 88136486400.

The previous prime is 222243304271. The next prime is 222243304363. The reversal of 222243304300 is 3403342222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11237821 + ... + 11257579.

It is an arithmetic number, because the mean of its divisors is an integer number (6755617960).

Almost surely, 2^222243304300 is an apocalyptic number.

222243304300 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 222243304300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243202246560).

222243304300 is an abundant number, since it is smaller than the sum of its proper divisors (264161188820).

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

222243304300 is a wasteful number, since it uses less digits than its factorization.

222243304300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20731 (or 20724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 222243304300 its reverse (3403342222), we get a palindrome (225646646522).

The spelling of 222243304300 in words is "two hundred twenty-two billion, two hundred forty-three million, three hundred four thousand, three hundred".