226211 has 4 divisors (see below), whose sum is σ = 231072. Its totient is φ = 221352.

The previous prime is 226201. The next prime is 226217. The reversal of 226211 is 112622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112622 = 2 ⋅56311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226211 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (226217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (57768).

2²²⁶²¹¹ is an apocalyptic number.

226211 is a deficient number, since it is larger than the sum of its proper divisors (4861).

226211 is an equidigital number, since it uses as much as digits as its factorization.

226211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its digits is 48, while the sum is 14.

The square root of 226211 is about 475.6164421043. The cubic root of 226211 is about 60.9309439802.

Adding to 226211 its reverse (112622), we get a palindrome (338833).

It can be divided in two parts, 22621 and 1, that added together give a palindrome (22622).

The spelling of 226211 in words is "two hundred twenty-six thousand, two hundred eleven".