222412211 has 16 divisors (see below), whose sum is σ = 262521600. Its totient is φ = 184470048.

The previous prime is 222412199. The next prime is 222412219. The reversal of 222412211 is 112214222.

It is not a de Polignac number, because 222412211 - 2⁶ = 222412147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222412211.

It is not an unprimeable number, because it can be changed into a prime (222412219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29420 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (16407600).

Almost surely, 2^222412211 is an apocalyptic number.

222412211 is a deficient number, since it is larger than the sum of its proper divisors (40109389).

222412211 is a wasteful number, since it uses less digits than its factorization.

222412211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

The product of its digits is 128, while the sum is 17.

The square root of 222412211 is about 14913.4909058879. The cubic root of 222412211 is about 605.8794313683.

Adding to 222412211 its reverse (112214222), we get a palindrome (334626433).

The spelling of 222412211 in words is "two hundred twenty-two million, four hundred twelve thousand, two hundred eleven".