226311 has 4 divisors (see below), whose sum is σ = 301752. Its totient is φ = 150872.

The previous prime is 226307. The next prime is 226313. The reversal of 226311 is 113622.

226311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226311 - 2² = 226307 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37716 + ... + 37721.

It is an arithmetic number, because the mean of its divisors is an integer number (75438).

2²²⁶³¹¹ is an apocalyptic number.

226311 is a deficient number, since it is larger than the sum of its proper divisors (75441).

226311 is an equidigital number, since it uses as much as digits as its factorization.

226311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75440.

The product of its digits is 72, while the sum is 15.

The square root of 226311 is about 475.7215572160. The cubic root of 226311 is about 60.9399211398.

Adding to 226311 its reverse (113622), we get a palindrome (339933).

The spelling of 226311 in words is "two hundred twenty-six thousand, three hundred eleven".