229008947 has 4 divisors (see below), whose sum is σ = 235198416. Its totient is φ = 222819480.

The previous prime is 229008917. The next prime is 229008959. The reversal of 229008947 is 749800922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229008947 - 2⁶ = 229008883 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (229008917) 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, 3094679 + ... + 3094752.

It is an arithmetic number, because the mean of its divisors is an integer number (58799604).

Almost surely, 2^229008947 is an apocalyptic number.

229008947 is a deficient number, since it is larger than the sum of its proper divisors (6189469).

229008947 is an equidigital number, since it uses as much as digits as its factorization.

229008947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189468.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 229008947 is about 15133.0415647351. The cubic root of 229008947 is about 611.8112848517.

The spelling of 229008947 in words is "two hundred twenty-nine million, eight thousand, nine hundred forty-seven".