14228287 has 4 divisors (see below), whose sum is σ = 14687296. Its totient is φ = 13769280.

The previous prime is 14228267. The next prime is 14228323. The reversal of 14228287 is 78282241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78282241 = 157 ⋅498613.

It is a cyclic number.

It is not a de Polignac number, because 14228287 - 2¹¹ = 14226239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229458 + ... + 229519.

It is an arithmetic number, because the mean of its divisors is an integer number (3671824).

Almost surely, 2^14228287 is an apocalyptic number.

14228287 is a deficient number, since it is larger than the sum of its proper divisors (459009).

14228287 is an equidigital number, since it uses as much as digits as its factorization.

14228287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459008.

The product of its digits is 14336, while the sum is 34.

The square root of 14228287 is about 3772.0401641552. The cubic root of 14228287 is about 242.3171796687.

The spelling of 14228287 in words is "fourteen million, two hundred twenty-eight thousand, two hundred eighty-seven".