28223182 has 16 divisors (see below), whose sum is σ = 45721872. Its totient is φ = 12988800.

The previous prime is 28223161. The next prime is 28223183. The reversal of 28223182 is 28132282.

It is a self number, because there is not a number n which added to its sum of digits gives 28223182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28223183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9073 + ... + 11779.

It is an arithmetic number, because the mean of its divisors is an integer number (2857617).

Almost surely, 2^28223182 is an apocalyptic number.

28223182 is a deficient number, since it is larger than the sum of its proper divisors (17498690).

28223182 is a wasteful number, since it uses less digits than its factorization.

28223182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123.

The product of its digits is 3072, while the sum is 28.

The square root of 28223182 is about 5312.5494821225. The cubic root of 28223182 is about 304.4635630197.

The spelling of 28223182 in words is "twenty-eight million, two hundred twenty-three thousand, one hundred eighty-two".