28482273 has 48 divisors (see below), whose sum is σ = 46592000. Its totient is φ = 17321040.

The previous prime is 28482271. The next prime is 28482283. The reversal of 28482273 is 37228482.

It is not a de Polignac number, because 28482273 - 2¹ = 28482271 is a prime.

It is a super-2 number, since 2×28482273² = 1622479750493058, which contains 22 as substring.

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 a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28482271) 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 47 ways as a sum of consecutive naturals, for example, 143028 + ... + 143226.

Almost surely, 2^28482273 is an apocalyptic number.

It is an amenable number.

28482273 is a deficient number, since it is larger than the sum of its proper divisors (18109727).

28482273 is a wasteful number, since it uses less digits than its factorization.

28482273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 28482273 is about 5336.8785820927. The cubic root of 28482273 is about 305.3923929231.

The spelling of 28482273 in words is "twenty-eight million, four hundred eighty-two thousand, two hundred seventy-three".