229529285 has 8 divisors (see below), whose sum is σ = 277284600. Its totient is φ = 182390464.

The previous prime is 229529281. The next prime is 229529299. The reversal of 229529285 is 582925922.

It can be written as a sum of positive squares in 4 ways, for example, as 3508129 + 226021156 = 1873^2 + 15034^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 229529285 - 2² = 229529281 is a prime.

It is a super-2 number, since 2×229529285² = 105367385345222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229529281) 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, 153302 + ... + 154791.

It is an arithmetic number, because the mean of its divisors is an integer number (34660575).

Almost surely, 2^229529285 is an apocalyptic number.

It is an amenable number.

229529285 is a deficient number, since it is larger than the sum of its proper divisors (47755315).

229529285 is a wasteful number, since it uses less digits than its factorization.

229529285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308247.

The product of its digits is 259200, while the sum is 44.

The square root of 229529285 is about 15150.2239257379. The cubic root of 229529285 is about 612.2743058510.

The spelling of 229529285 in words is "two hundred twenty-nine million, five hundred twenty-nine thousand, two hundred eighty-five".