28227267 has 12 divisors (see below), whose sum is σ = 42088384. Its totient is φ = 18210960.

The previous prime is 28227247. The next prime is 28227271. The reversal of 28227267 is 76272282.

It is not a de Polignac number, because 28227267 - 2⁶ = 28227203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28227247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50308 + ... + 50865.

Almost surely, 2^28227267 is an apocalyptic number.

28227267 is a deficient number, since it is larger than the sum of its proper divisors (13861117).

28227267 is a wasteful number, since it uses less digits than its factorization.

28227267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101210 (or 101207 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 28227267 is about 5312.9339352188. The cubic root of 28227267 is about 304.4782515791.

The spelling of 28227267 in words is "twenty-eight million, two hundred twenty-seven thousand, two hundred sixty-seven".