14227391 has 4 divisors (see below), whose sum is σ = 14234952. Its totient is φ = 14219832.

The previous prime is 14227379. The next prime is 14227397. The reversal of 14227391 is 19372241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14227391 - 2⁶ = 14227327 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 (14227397) 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, 1520 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (3558738).

Almost surely, 2^14227391 is an apocalyptic number.

14227391 is a deficient number, since it is larger than the sum of its proper divisors (7561).

14227391 is an equidigital number, since it uses as much as digits as its factorization.

14227391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560.

The product of its digits is 3024, while the sum is 29.

The square root of 14227391 is about 3771.9213936666. The cubic root of 14227391 is about 242.3120930702.

The spelling of 14227391 in words is "fourteen million, two hundred twenty-seven thousand, three hundred ninety-one".