229732828 has 24 divisors (see below), whose sum is σ = 433400688. Its totient is φ = 105922176.

The previous prime is 229732823. The next prime is 229732829. The reversal of 229732828 is 828237922.

229732828 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

229732828 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229732823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72975 + ... + 76057.

It is an arithmetic number, because the mean of its divisors is an integer number (18058362).

Almost surely, 2^229732828 is an apocalyptic number.

It is an amenable number.

229732828 is a deficient number, since it is larger than the sum of its proper divisors (203667860).

229732828 is a wasteful number, since it uses less digits than its factorization.

229732828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533 (or 4531 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 229732828 is about 15156.9399286268. The cubic root of 229732828 is about 612.4552374896.

The spelling of 229732828 in words is "two hundred twenty-nine million, seven hundred thirty-two thousand, eight hundred twenty-eight".