28248282 has 12 divisors (see below), whose sum is σ = 61204650. Its totient is φ = 9416088.

The previous prime is 28248281. The next prime is 28248287. The reversal of 28248282 is 28284282.

It can be written as a sum of positive squares in only one way, i.e., 22953681 + 5294601 = 4791^2 + 2301^2 .

It is not an unprimeable number, because it can be changed into a prime (28248281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784657 + ... + 784692.

Almost surely, 2^28248282 is an apocalyptic number.

28248282 is an abundant number, since it is smaller than the sum of its proper divisors (32956368).

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

28248282 is a wasteful number, since it uses less digits than its factorization.

28248282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569357 (or 1569354 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 28248282 is about 5314.9112880649. The cubic root of 28248282 is about 304.5537934680.

The spelling of 28248282 in words is "twenty-eight million, two hundred forty-eight thousand, two hundred eighty-two".