229607329 has 4 divisors (see below), whose sum is σ = 262408384. Its totient is φ = 196806276.

The previous prime is 229607317. The next prime is 229607333. The reversal of 229607329 is 923706922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923706922 = 2 ⋅461853461.

It is a cyclic number.

It is not a de Polignac number, because 229607329 - 2⁷ = 229607201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229607291 and 229607300.

It is not an unprimeable number, because it can be changed into a prime (229607029) 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, 16400517 + ... + 16400530.

It is an arithmetic number, because the mean of its divisors is an integer number (65602096).

Almost surely, 2^229607329 is an apocalyptic number.

It is an amenable number.

229607329 is a deficient number, since it is larger than the sum of its proper divisors (32801055).

229607329 is an equidigital number, since it uses as much as digits as its factorization.

229607329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32801054.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 229607329 is about 15152.7993783327. The cubic root of 229607329 is about 612.3436926703.

The spelling of 229607329 in words is "two hundred twenty-nine million, six hundred seven thousand, three hundred twenty-nine".