28224048 has 40 divisors (see below), whose sum is σ = 73106928. Its totient is φ = 9382912.

The previous prime is 28224041. The next prime is 28224061. The reversal of 28224048 is 84042282.

It is not an unprimeable number, because it can be changed into a prime (28224041) 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, 29140 + ... + 30092.

Almost surely, 2^28224048 is an apocalyptic number.

It is an amenable number.

28224048 is an abundant number, since it is smaller than the sum of its proper divisors (44882880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28224048 is a wasteful number, since it uses less digits than its factorization.

28224048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 28224048 is about 5312.6309866205. The cubic root of 28224048 is about 304.4666770408.

The spelling of 28224048 in words is "twenty-eight million, two hundred twenty-four thousand, forty-eight".