229828 has 6 divisors (see below), whose sum is σ = 402206. Its totient is φ = 114912.

The previous prime is 229819. The next prime is 229837. The reversal of 229828 is 828922.

It is an interprime number because it is at equal distance from previous prime (229819) and next prime (229837).

It can be written as a sum of positive squares in only one way, i.e., 213444 + 16384 = 462^2 + 128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 229828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28725 + ... + 28732.

2²²⁹⁸²⁸ is an apocalyptic number.

It is an amenable number.

229828 is a deficient number, since it is larger than the sum of its proper divisors (172378).

229828 is a wasteful number, since it uses less digits than its factorization.

229828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57461 (or 57459 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 229828 is about 479.4037963971. The cubic root of 229828 is about 61.2539800274.

The spelling of 229828 in words is "two hundred twenty-nine thousand, eight hundred twenty-eight".