222100200 has 144 divisors (see below), whose sum is σ = 852490080. Its totient is φ = 50762880.

The previous prime is 222100199. The next prime is 222100211. The reversal of 222100200 is 2001222.

222100200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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 35 ways as a sum of consecutive naturals, for example, 3787 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (5920070).

Almost surely, 2^222100200 is an apocalyptic number.

222100200 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 222100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426245040).

222100200 is an abundant number, since it is smaller than the sum of its proper divisors (630389880).

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

222100200 is a wasteful number, since it uses less digits than its factorization.

222100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17656 (or 17644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 222100200 is about 14903.0265382573. The cubic root of 222100200 is about 605.5959794329.

Adding to 222100200 its reverse (2001222), we get a palindrome (224101422).

The spelling of 222100200 in words is "two hundred twenty-two million, one hundred thousand, two hundred".