229804247 has 4 divisors (see below), whose sum is σ = 239795760. Its totient is φ = 219812736.

The previous prime is 229804193. The next prime is 229804273. The reversal of 229804247 is 742408922.

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 229804247 - 2²⁶ = 162695383 is a prime.

It is a super-3 number, since 3×229804247³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229804247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229804277) 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, 4995722 + ... + 4995767.

It is an arithmetic number, because the mean of its divisors is an integer number (59948940).

Almost surely, 2^229804247 is an apocalyptic number.

229804247 is a deficient number, since it is larger than the sum of its proper divisors (9991513).

229804247 is an equidigital number, since it uses as much as digits as its factorization.

229804247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991512.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 229804247 is about 15159.2957290238. The cubic root of 229804247 is about 612.5186973051.

The spelling of 229804247 in words is "two hundred twenty-nine million, eight hundred four thousand, two hundred forty-seven".