28224568 has 16 divisors (see below), whose sum is σ = 53190000. Its totient is φ = 14040576.

The previous prime is 28224563. The next prime is 28224577. The reversal of 28224568 is 86542282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28224563) by changing a digit.

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, 7273 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (3324375).

Almost surely, 2^28224568 is an apocalyptic number.

It is an amenable number.

28224568 is a deficient number, since it is larger than the sum of its proper divisors (24965432).

28224568 is a wasteful number, since it uses less digits than its factorization.

28224568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17934 (or 17930 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 28224568 is about 5312.6799263648. The cubic root of 28224568 is about 304.4685468611.

The spelling of 28224568 in words is "twenty-eight million, two hundred twenty-four thousand, five hundred sixty-eight".