229806111 has 4 divisors (see below), whose sum is σ = 306408152. Its totient is φ = 153204072.

The previous prime is 229806089. The next prime is 229806139. The reversal of 229806111 is 111608922.

It is a happy number.

229806111 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 not a de Polignac number, because 229806111 - 2⁵ = 229806079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229806151) 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, 38301016 + ... + 38301021.

It is an arithmetic number, because the mean of its divisors is an integer number (76602038).

Almost surely, 2^229806111 is an apocalyptic number.

229806111 is a deficient number, since it is larger than the sum of its proper divisors (76602041).

229806111 is an equidigital number, since it uses as much as digits as its factorization.

229806111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76602040.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 229806111 is about 15159.3572093278. The cubic root of 229806111 is about 612.5203533983.

The spelling of 229806111 in words is "two hundred twenty-nine million, eight hundred six thousand, one hundred eleven".