222206222 has 16 divisors (see below), whose sum is σ = 382134240. Its totient is φ = 94928928.

The previous prime is 222206203. The next prime is 222206227. The reversal of 222206222 is 222602222.

It is a junction number, because it is equal to n+sod(n) for n = 222206194 and 222206203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222206227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20597 + ... + 29472.

It is an arithmetic number, because the mean of its divisors is an integer number (23883390).

Almost surely, 2^222206222 is an apocalyptic number.

222206222 is a deficient number, since it is larger than the sum of its proper divisors (159928018).

222206222 is a wasteful number, since it uses less digits than its factorization.

222206222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50395.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222206222 is about 14906.5831765700. The cubic root of 222206222 is about 605.6923267618.

Adding to 222206222 its reverse (222602222), we get a palindrome (444808444).

The spelling of 222206222 in words is "two hundred twenty-two million, two hundred six thousand, two hundred twenty-two".