229528 has 16 divisors (see below), whose sum is σ = 463680. Its totient is φ = 105888.

The previous prime is 229519. The next prime is 229529. The reversal of 229528 is 825922.

It is a junction number, because it is equal to n+sod(n) for n = 229496 and 229505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229529) 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, 1000 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (28980).

2²²⁹⁵²⁸ is an apocalyptic number.

It is an amenable number.

229528 is an abundant number, since it is smaller than the sum of its proper divisors (234152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229528 is a wasteful number, since it uses less digits than its factorization.

229528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2222 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 229528 is about 479.0908055891. The cubic root of 229528 is about 61.2273163260.

It can be divided in two parts, 229 and 528, that added together give a palindrome (757).

The spelling of 229528 in words is "two hundred twenty-nine thousand, five hundred twenty-eight".