222120300 has 144 divisors (see below), whose sum is σ = 689018400. Its totient is φ = 55050240.

The previous prime is 222120281. The next prime is 222120307. The reversal of 222120300 is 3021222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (222120307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 494476 + ... + 494924.

It is an arithmetic number, because the mean of its divisors is an integer number (4784850).

Almost surely, 2^222120300 is an apocalyptic number.

222120300 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 222120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344509200).

222120300 is an abundant number, since it is smaller than the sum of its proper divisors (466898100).

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

222120300 is a wasteful number, since it uses less digits than its factorization.

222120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222120300 is about 14903.7008826667. The cubic root of 222120300 is about 605.6142476320.

Adding to 222120300 its reverse (3021222), we get a palindrome (225141522).

The spelling of 222120300 in words is "two hundred twenty-two million, one hundred twenty thousand, three hundred".