28852224 has 60 divisors (see below), whose sum is σ = 77067984. Its totient is φ = 9601024.

The previous prime is 28852223. The next prime is 28852231. The reversal of 28852224 is 42225882.

It is not an unprimeable number, because it can be changed into a prime (28852223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48859 + ... + 49445.

Almost surely, 2^28852224 is an apocalyptic number.

28852224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28852224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38533992).

28852224 is an abundant number, since it is smaller than the sum of its proper divisors (48215760).

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

28852224 is an frugal number, since it uses more digits than its factorization.

28852224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 592 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 28852224 is about 5371.4266261395. The cubic root of 28852224 is about 306.7089376724.

The spelling of 28852224 in words is "twenty-eight million, eight hundred fifty-two thousand, two hundred twenty-four".