27923228 has 12 divisors (see below), whose sum is σ = 48928320. Its totient is φ = 13943712.

The previous prime is 27923227. The next prime is 27923237. The reversal of 27923228 is 82232972.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27923227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (4077360).

Almost surely, 2^27923228 is an apocalyptic number.

It is an amenable number.

27923228 is a deficient number, since it is larger than the sum of its proper divisors (21005092).

27923228 is a wasteful number, since it uses less digits than its factorization.

27923228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956 (or 8954 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 27923228 is about 5284.2433706255. The cubic root of 27923228 is about 303.3811133794.

The spelling of 27923228 in words is "twenty-seven million, nine hundred twenty-three thousand, two hundred twenty-eight".