229307328 has 56 divisors (see below), whose sum is σ = 674126160. Its totient is φ = 76435200.

The previous prime is 229307317. The next prime is 229307399. The reversal of 229307328 is 823703922.

229307328 is a `hidden beast` number, since 2 + 29 + 307 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 229307292 and 229307301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64623 + ... + 68078.

Almost surely, 2^229307328 is an apocalyptic number.

It is an amenable number.

229307328 is an abundant number, since it is smaller than the sum of its proper divisors (444818832).

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

229307328 is a wasteful number, since it uses less digits than its factorization.

229307328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132722 (or 132706 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 229307328 is about 15142.8969487347. The cubic root of 229307328 is about 612.0768838434.

The spelling of 229307328 in words is "two hundred twenty-nine million, three hundred seven thousand, three hundred twenty-eight".