28824522 has 8 divisors (see below), whose sum is σ = 57649056. Its totient is φ = 9608172.

The previous prime is 28824487. The next prime is 28824529. The reversal of 28824522 is 22542882.

It is a sphenic number, since it is the product of 3 distinct primes.

28824522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28824529) 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, 2402038 + ... + 2402049.

It is an arithmetic number, because the mean of its divisors is an integer number (7206132).

Almost surely, 2^28824522 is an apocalyptic number.

28824522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28824522 is a wasteful number, since it uses less digits than its factorization.

28824522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804092.

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

The square root of 28824522 is about 5368.8473623302. The cubic root of 28824522 is about 306.6107456845.

The spelling of 28824522 in words is "twenty-eight million, eight hundred twenty-four thousand, five hundred twenty-two".