28223368 has 16 divisors (see below), whose sum is σ = 53012160. Its totient is φ = 14086800.

The previous prime is 28223357. The next prime is 28223381. The reversal of 28223368 is 86332282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253 + ... + 7843.

It is an arithmetic number, because the mean of its divisors is an integer number (3313260).

Almost surely, 2^28223368 is an apocalyptic number.

It is an amenable number.

28223368 is a deficient number, since it is larger than the sum of its proper divisors (24788792).

28223368 is a wasteful number, since it uses less digits than its factorization.

28223368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6228 (or 6224 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 28223368 is about 5312.5669878130. The cubic root of 28223368 is about 304.4642318564.

The spelling of 28223368 in words is "twenty-eight million, two hundred twenty-three thousand, three hundred sixty-eight".