27824228 has 6 divisors (see below), whose sum is σ = 48692406. Its totient is φ = 13912112.

The previous prime is 27824221. The next prime is 27824233. The reversal of 27824228 is 82242872.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 11437924 = 4048^2 + 3382^2 .

It is not an unprimeable number, because it can be changed into a prime (27824221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3478025 + ... + 3478032.

It is an arithmetic number, because the mean of its divisors is an integer number (8115401).

Almost surely, 2^27824228 is an apocalyptic number.

It is an amenable number.

27824228 is a deficient number, since it is larger than the sum of its proper divisors (20868178).

27824228 is a wasteful number, since it uses less digits than its factorization.

27824228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6956061 (or 6956059 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 27824228 is about 5274.8675812763. The cubic root of 27824228 is about 303.0221494408.

The spelling of 27824228 in words is "twenty-seven million, eight hundred twenty-four thousand, two hundred twenty-eight".