222231312300 has 144 divisors (see below), whose sum is σ = 665534903040. Its totient is φ = 57186044160.

The previous prime is 222231312257. The next prime is 222231312389. The reversal of 222231312300 is 3213132222.

It is a happy number.

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, 18115969 + ... + 18128231.

It is an arithmetic number, because the mean of its divisors is an integer number (4621770160).

Almost surely, 2^222231312300 is an apocalyptic number.

222231312300 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 222231312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332767451520).

222231312300 is an abundant number, since it is smaller than the sum of its proper divisors (443303590740).

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

222231312300 is a wasteful number, since it uses less digits than its factorization.

222231312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14392 (or 14385 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222231312300 its reverse (3213132222), we get a palindrome (225444444522).

The spelling of 222231312300 in words is "two hundred twenty-two billion, two hundred thirty-one million, three hundred twelve thousand, three hundred".