229878147 has 8 divisors (see below), whose sum is σ = 307415056. Its totient is φ = 152796672.

The previous prime is 229878137. The next prime is 229878161. The reversal of 229878147 is 741878922.

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

It is not a de Polignac number, because 229878147 - 2⁶ = 229878083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229878096 and 229878105.

It is not an unprimeable number, because it can be changed into a prime (229878137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112678 + ... + 114699.

It is an arithmetic number, because the mean of its divisors is an integer number (38426882).

Almost surely, 2^229878147 is an apocalyptic number.

229878147 is a deficient number, since it is larger than the sum of its proper divisors (77536909).

229878147 is a wasteful number, since it uses less digits than its factorization.

229878147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227717.

The product of its digits is 451584, while the sum is 48.

The square root of 229878147 is about 15161.7329814240. The cubic root of 229878147 is about 612.5843477897.

The spelling of 229878147 in words is "two hundred twenty-nine million, eight hundred seventy-eight thousand, one hundred forty-seven".