222004206 has 32 divisors (see below), whose sum is σ = 509260800. Its totient is φ = 71613720.

The previous prime is 222004187. The next prime is 222004249. The reversal of 222004206 is 602400222.

It is a happy number.

222004206 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 (18).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 64636 + ... + 67983.

It is an arithmetic number, because the mean of its divisors is an integer number (15914400).

Almost surely, 2^222004206 is an apocalyptic number.

222004206 is an abundant number, since it is smaller than the sum of its proper divisors (287256594).

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

222004206 is a wasteful number, since it uses less digits than its factorization.

222004206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132661 (or 132655 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222004206 is about 14899.8055692012. The cubic root of 222004206 is about 605.5087185813.

Adding to 222004206 its reverse (602400222), we get a palindrome (824404428).

The spelling of 222004206 in words is "two hundred twenty-two million, four thousand, two hundred six".