8222211 has 6 divisors (see below), whose sum is σ = 11876540. Its totient is φ = 5481468.

The previous prime is 8222183. The next prime is 8222213. The reversal of 8222211 is 1122228.

It is a happy number.

It is not a de Polignac number, because 8222211 - 2⁶ = 8222147 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456781 + ... + 456798.

Almost surely, 2^8222211 is an apocalyptic number.

8222211 is a deficient number, since it is larger than the sum of its proper divisors (3654329).

8222211 is a wasteful number, since it uses less digits than its factorization.

8222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913585 (or 913582 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 8222211 is about 2867.4397988450. The cubic root of 8222211 is about 201.8348730578.

Adding to 8222211 its reverse (1122228), we get a palindrome (9344439).

The spelling of 8222211 in words is "eight million, two hundred twenty-two thousand, two hundred eleven".