28229163 has 8 divisors (see below), whose sum is σ = 39853008. Its totient is φ = 17712384.

The previous prime is 28229161. The next prime is 28229171. The reversal of 28229163 is 36192282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28229163 - 2¹ = 28229161 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28229161) 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, 276706 + ... + 276807.

It is an arithmetic number, because the mean of its divisors is an integer number (4981626).

Almost surely, 2^28229163 is an apocalyptic number.

28229163 is a deficient number, since it is larger than the sum of its proper divisors (11623845).

28229163 is a wasteful number, since it uses less digits than its factorization.

28229163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553533.

The product of its digits is 10368, while the sum is 33.

The square root of 28229163 is about 5313.1123647068. The cubic root of 28229163 is about 304.4850686027.

The spelling of 28229163 in words is "twenty-eight million, two hundred twenty-nine thousand, one hundred sixty-three".