28233303 has 16 divisors (see below), whose sum is σ = 43111680. Its totient is φ = 16099776.

The previous prime is 28233299. The next prime is 28233347. The reversal of 28233303 is 30333282.

It is not a de Polignac number, because 28233303 - 2² = 28233299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28233353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11868 + ... + 14046.

It is an arithmetic number, because the mean of its divisors is an integer number (2694480).

Almost surely, 2^28233303 is an apocalyptic number.

28233303 is a deficient number, since it is larger than the sum of its proper divisors (14878377).

28233303 is a wasteful number, since it uses less digits than its factorization.

28233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 28233303 is about 5313.5019525733. The cubic root of 28233303 is about 304.4999528150.

Adding to 28233303 its reverse (30333282), we get a palindrome (58566585).

The spelling of 28233303 in words is "twenty-eight million, two hundred thirty-three thousand, three hundred three".