229529931 has 16 divisors (see below), whose sum is σ = 314889120. Its totient is φ = 148628480.

The previous prime is 229529929. The next prime is 229529933. The reversal of 229529931 is 139925922.

It is an interprime number because it is at equal distance from previous prime (229529929) and next prime (229529933).

It is a cyclic number.

It is not a de Polignac number, because 229529931 - 2¹ = 229529929 is a prime.

It is a super-2 number, since 2×229529931² = 105367978449729522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229529933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24655 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (19680570).

Almost surely, 2^229529931 is an apocalyptic number.

229529931 is a deficient number, since it is larger than the sum of its proper divisors (85359189).

229529931 is a wasteful number, since it uses less digits than its factorization.

229529931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286.

The product of its digits is 87480, while the sum is 42.

The square root of 229529931 is about 15150.2452455398. The cubic root of 229529931 is about 612.2748802567.

The spelling of 229529931 in words is "two hundred twenty-nine million, five hundred twenty-nine thousand, nine hundred thirty-one".