28330282 has 8 divisors (see below), whose sum is σ = 42518916. Its totient is φ = 14157312.

The previous prime is 28330261. The next prime is 28330297. The reversal of 28330282 is 28203382.

It can be written as a sum of positive squares in 2 ways, for example, as 24492601 + 3837681 = 4949^2 + 1959^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28330282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3178 + ... + 8170.

Almost surely, 2^28330282 is an apocalyptic number.

28330282 is a deficient number, since it is larger than the sum of its proper divisors (14188634).

28330282 is a wasteful number, since it uses less digits than its factorization.

28330282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 28330282 is about 5322.6198436484. The cubic root of 28330282 is about 304.8481982207.

The spelling of 28330282 in words is "twenty-eight million, three hundred thirty thousand, two hundred eighty-two".