229761109 has 4 divisors (see below), whose sum is σ = 230059116. Its totient is φ = 229463104.

The previous prime is 229761107. The next prime is 229761131. The reversal of 229761109 is 901167922.

229761109 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 can be written as a sum of positive squares in 2 ways, for example, as 4100625 + 225660484 = 2025^2 + 15022^2 .

It is a cyclic number.

It is not a de Polignac number, because 229761109 - 2¹ = 229761107 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 (229761101) 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, 147844 + ... + 149389.

It is an arithmetic number, because the mean of its divisors is an integer number (57514779).

Almost surely, 2^229761109 is an apocalyptic number.

It is an amenable number.

229761109 is a deficient number, since it is larger than the sum of its proper divisors (298007).

229761109 is an equidigital number, since it uses as much as digits as its factorization.

229761109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298006.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 229761109 is about 15157.8728388913. The cubic root of 229761109 is about 612.4803683282.

The spelling of 229761109 in words is "two hundred twenty-nine million, seven hundred sixty-one thousand, one hundred nine".