229051685 has 4 divisors (see below), whose sum is σ = 274862028. Its totient is φ = 183241344.

The previous prime is 229051681. The next prime is 229051723. The reversal of 229051685 is 586150922.

229051685 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 91833889 + 137217796 = 9583^2 + 11714^2 .

It is a cyclic number.

It is not a de Polignac number, because 229051685 - 2² = 229051681 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 (229051681) 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, 22905164 + ... + 22905173.

It is an arithmetic number, because the mean of its divisors is an integer number (68715507).

Almost surely, 2^229051685 is an apocalyptic number.

It is an amenable number.

229051685 is a deficient number, since it is larger than the sum of its proper divisors (45810343).

229051685 is an equidigital number, since it uses as much as digits as its factorization.

229051685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45810342.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 229051685 is about 15134.4535745431. The cubic root of 229051685 is about 611.8493415370.

The spelling of 229051685 in words is "two hundred twenty-nine million, fifty-one thousand, six hundred eighty-five".