27317228 has 12 divisors (see below), whose sum is σ = 47945352. Its totient is φ = 13618560.

The previous prime is 27317221. The next prime is 27317233. The reversal of 27317228 is 82271372.

It is a junction number, because it is equal to n+sod(n) for n = 27317194 and 27317203.

It is not an unprimeable number, because it can be changed into a prime (27317221) 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 3 ways as a sum of consecutive naturals, for example, 8453 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (3995446).

Almost surely, 2^27317228 is an apocalyptic number.

It is an amenable number.

27317228 is a deficient number, since it is larger than the sum of its proper divisors (20628124).

27317228 is a wasteful number, since it uses less digits than its factorization.

27317228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032 (or 20030 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 27317228 is about 5226.5885623416. The cubic root of 27317228 is about 301.1703468753.

The spelling of 27317228 in words is "twenty-seven million, three hundred seventeen thousand, two hundred twenty-eight".