229117873 has 4 divisors (see below), whose sum is σ = 232256548. Its totient is φ = 225979200.

The previous prime is 229117871. The next prime is 229117897. The reversal of 229117873 is 378711922.

It is a happy number.

229117873 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 50013184 + 179104689 = 7072^2 + 13383^2 .

It is a cyclic number.

It is not a de Polignac number, because 229117873 - 2¹ = 229117871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229117871) 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, 1569228 + ... + 1569373.

It is an arithmetic number, because the mean of its divisors is an integer number (58064137).

Almost surely, 2^229117873 is an apocalyptic number.

It is an amenable number.

229117873 is a deficient number, since it is larger than the sum of its proper divisors (3138675).

229117873 is an equidigital number, since it uses as much as digits as its factorization.

229117873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138674.

The product of its digits is 42336, while the sum is 40.

The square root of 229117873 is about 15136.6400829246. The cubic root of 229117873 is about 611.9082702807.

It can be divided in two parts, 2291 and 17873, that added together give a square (20164 = 142²).

The spelling of 229117873 in words is "two hundred twenty-nine million, one hundred seventeen thousand, eight hundred seventy-three".