229047905 has 8 divisors (see below), whose sum is σ = 274962984. Its totient is φ = 183168000.

The previous prime is 229047859. The next prime is 229047911. The reversal of 229047905 is 509740922.

It can be written as a sum of positive squares in 4 ways, for example, as 43652449 + 185395456 = 6607^2 + 13616^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229047905 - 2¹² = 229043809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 23105.

It is an arithmetic number, because the mean of its divisors is an integer number (34370373).

Almost surely, 2^229047905 is an apocalyptic number.

It is an amenable number.

229047905 is a deficient number, since it is larger than the sum of its proper divisors (45915079).

229047905 is a wasteful number, since it uses less digits than its factorization.

229047905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17587.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 229047905 is about 15134.3286934043. The cubic root of 229047905 is about 611.8459757709.

The spelling of 229047905 in words is "two hundred twenty-nine million, forty-seven thousand, nine hundred five".