222202211 has 12 divisors (see below), whose sum is σ = 281979000. Its totient is φ = 173144160.

The previous prime is 222202181. The next prime is 222202231. The reversal of 222202211 is 112202222.

It is a de Polignac number, because none of the positive numbers 2^k-222202211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205586 + ... + 206663.

It is an arithmetic number, because the mean of its divisors is an integer number (23498250).

Almost surely, 2^222202211 is an apocalyptic number.

222202211 is a deficient number, since it is larger than the sum of its proper divisors (59776789).

222202211 is a wasteful number, since it uses less digits than its factorization.

222202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412274 (or 412267 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 222202211 is about 14906.4486380895. The cubic root of 222202211 is about 605.6886823296.

Adding to 222202211 its reverse (112202222), we get a palindrome (334404433).

The spelling of 222202211 in words is "two hundred twenty-two million, two hundred two thousand, two hundred eleven".