222325200 has 90 divisors (see below), whose sum is σ = 771542694. Its totient is φ = 59285760.

The previous prime is 222325189. The next prime is 222325217. The reversal of 222325200 is 2523222.

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 221771664 = 744^2 + 14892^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27279 + ... + 34478.

Almost surely, 2^222325200 is an apocalyptic number.

222325200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222325200 is an abundant number, since it is smaller than the sum of its proper divisors (549217494).

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

222325200 is a wasteful number, since it uses less digits than its factorization.

222325200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61781 (or 61767 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222325200 is about 14910.5734296170. The cubic root of 222325200 is about 605.8004113493.

Adding to 222325200 its reverse (2523222), we get a palindrome (224848422).

The spelling of 222325200 in words is "two hundred twenty-two million, three hundred twenty-five thousand, two hundred".