229845321 has 24 divisors (see below), whose sum is σ = 352483560. Its totient is φ = 143824896.

The previous prime is 229845307. The next prime is 229845323. The reversal of 229845321 is 123548922.

It is a happy number.

229845321 is a `hidden beast` number, since 2 + 298 + 45 + 321 = 666.

229845321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56791296 + 173054025 = 7536^2 + 13155^2 .

It is not a de Polignac number, because 229845321 - 2⁵ = 229845289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (229845323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60741 + ... + 64413.

It is an arithmetic number, because the mean of its divisors is an integer number (14686815).

Almost surely, 2^229845321 is an apocalyptic number.

It is an amenable number.

229845321 is a deficient number, since it is larger than the sum of its proper divisors (122638239).

229845321 is a wasteful number, since it uses less digits than its factorization.

229845321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105 (or 4102 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 229845321 is about 15160.6504148074. The cubic root of 229845321 is about 612.5551879191. Note that the first 3 decimals are identical.

The spelling of 229845321 in words is "two hundred twenty-nine million, eight hundred forty-five thousand, three hundred twenty-one".