229111 has 4 divisors (see below), whose sum is σ = 230472. Its totient is φ = 227752.

The previous prime is 229093. The next prime is 229123. The reversal of 229111 is 111922.

229111 is nontrivially palindromic in base 4.

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 229111 - 2⁷ = 228983 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229171) 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, 385 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (57618).

2²²⁹¹¹¹ is an apocalyptic number.

229111 is a deficient number, since it is larger than the sum of its proper divisors (1361).

229111 is a wasteful number, since it uses less digits than its factorization.

229111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its digits is 36, while the sum is 16.

The square root of 229111 is about 478.6554084098. The cubic root of 229111 is about 61.1902151614.

The spelling of 229111 in words is "two hundred twenty-nine thousand, one hundred eleven".