229311 has 20 divisors (see below), whose sum is σ = 363000. Its totient is φ = 143856.

The previous prime is 229309. The next prime is 229321. The reversal of 229311 is 113922.

It is a happy number.

229311 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 229311 - 2¹ = 229309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1465 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (18150).

2²²⁹³¹¹ is an apocalyptic number.

229311 is a deficient number, since it is larger than the sum of its proper divisors (133689).

229311 is a wasteful number, since it uses less digits than its factorization.

229311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 171 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 229311 is about 478.8642813992. The cubic root of 229311 is about 61.2080150979.

It can be divided in two parts, 2293 and 11, that added together give a square (2304 = 48²).

The spelling of 229311 in words is "two hundred twenty-nine thousand, three hundred eleven".