28335224 has 24 divisors (see below), whose sum is σ = 53869440. Its totient is φ = 13971888.

The previous prime is 28335217. The next prime is 28335253. The reversal of 28335224 is 42253382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169589 + ... + 169755.

It is an arithmetic number, because the mean of its divisors is an integer number (2244560).

Almost surely, 2^28335224 is an apocalyptic number.

It is an amenable number.

28335224 is a deficient number, since it is larger than the sum of its proper divisors (25534216).

28335224 is a wasteful number, since it uses less digits than its factorization.

28335224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 296 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 28335224 is about 5323.0840684701. The cubic root of 28335224 is about 304.8659233320.

The spelling of 28335224 in words is "twenty-eight million, three hundred thirty-five thousand, two hundred twenty-four".