222321321300 has 144 divisors (see below), whose sum is σ = 694313755520. Its totient is φ = 54600168960.

The previous prime is 222321321293. The next prime is 222321321317. The reversal of 222321321300 is 3123123222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1647174 + ... + 1777026.

Almost surely, 2^222321321300 is an apocalyptic number.

222321321300 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 222321321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347156877760).

222321321300 is an abundant number, since it is smaller than the sum of its proper divisors (471992434220).

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

222321321300 is a wasteful number, since it uses less digits than its factorization.

222321321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130322 (or 130315 counting only the distinct ones).

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

Adding to 222321321300 its reverse (3123123222), we get a palindrome (225444444522).

The spelling of 222321321300 in words is "two hundred twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred".