229321528 has 16 divisors (see below), whose sum is σ = 440465760. Its totient is φ = 111864000.

The previous prime is 229321511. The next prime is 229321541. The reversal of 229321528 is 825123922.

It is a junction number, because it is equal to n+sod(n) for n = 229321493 and 229321502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349248 + ... + 349903.

It is an arithmetic number, because the mean of its divisors is an integer number (27529110).

Almost surely, 2^229321528 is an apocalyptic number.

It is an amenable number.

229321528 is a deficient number, since it is larger than the sum of its proper divisors (211144232).

229321528 is a wasteful number, since it uses less digits than its factorization.

229321528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699198 (or 699194 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 229321528 is about 15143.3658081683. The cubic root of 229321528 is about 612.0895179975.

The spelling of 229321528 in words is "two hundred twenty-nine million, three hundred twenty-one thousand, five hundred twenty-eight".