222331200 has 336 divisors, whose sum is σ = 899525760. Its totient is φ = 46817280.

The previous prime is 222331189. The next prime is 222331231. The reversal of 222331200 is 2133222.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222331200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 436546 + ... + 437054.

It is an arithmetic number, because the mean of its divisors is an integer number (2677160).

Almost surely, 2^222331200 is an apocalyptic number.

222331200 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 222331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449762880).

222331200 is an abundant number, since it is smaller than the sum of its proper divisors (677194560).

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

222331200 is a wasteful number, since it uses less digits than its factorization.

222331200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222331200 is about 14910.7746277650. The cubic root of 222331200 is about 605.8058609786.

Adding to 222331200 its reverse (2133222), we get a palindrome (224464422).

The spelling of 222331200 in words is "two hundred twenty-two million, three hundred thirty-one thousand, two hundred".