229566028 has 24 divisors (see below), whose sum is σ = 428101632. Its totient is φ = 107337984.

The previous prime is 229566023. The next prime is 229566047. The reversal of 229566028 is 820665922.

It is a super-2 number, since 2×229566028² = 105401122423393568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229566023) 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, 76 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (17837568).

Almost surely, 2^229566028 is an apocalyptic number.

It is an amenable number.

229566028 is a deficient number, since it is larger than the sum of its proper divisors (198535604).

229566028 is a wasteful number, since it uses less digits than its factorization.

229566028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681 (or 21679 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 229566028 is about 15151.4364995534. The cubic root of 229566028 is about 612.3069750221.

The spelling of 229566028 in words is "two hundred twenty-nine million, five hundred sixty-six thousand, twenty-eight".