28548522 has 24 divisors (see below), whose sum is σ = 62044164. Its totient is φ = 9487104.

The previous prime is 28548521. The next prime is 28548523. The reversal of 28548522 is 22584582.

It is an interprime number because it is at equal distance from previous prime (28548521) and next prime (28548523).

It can be written as a sum of positive squares in 2 ways, for example, as 25796241 + 2752281 = 5079^2 + 1659^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28548521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4108 + ... + 8600.

Almost surely, 2^28548522 is an apocalyptic number.

28548522 is an abundant number, since it is smaller than the sum of its proper divisors (33495642).

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

28548522 is a wasteful number, since it uses less digits than its factorization.

28548522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854 (or 4851 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 28548522 is about 5343.0816950520. The cubic root of 28548522 is about 305.6289877408.

The spelling of 28548522 in words is "twenty-eight million, five hundred forty-eight thousand, five hundred twenty-two".