229529128 has 16 divisors (see below), whose sum is σ = 435816000. Its totient is φ = 113311536.

The previous prime is 229529119. The next prime is 229529129. The reversal of 229529128 is 821925922.

229529128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229529129) 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, 180958 + ... + 182221.

It is an arithmetic number, because the mean of its divisors is an integer number (27238500).

Almost surely, 2^229529128 is an apocalyptic number.

It is an amenable number.

229529128 is a deficient number, since it is larger than the sum of its proper divisors (206286872).

229529128 is a wasteful number, since it uses less digits than its factorization.

229529128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363264 (or 363260 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 229529128 is about 15150.2187442954. The cubic root of 229529128 is about 612.2741662506.

The spelling of 229529128 in words is "two hundred twenty-nine million, five hundred twenty-nine thousand, one hundred twenty-eight".