14221065 has 16 divisors (see below), whose sum is σ = 23140800. Its totient is φ = 7455552.

The previous prime is 14221021. The next prime is 14221069. The reversal of 14221065 is 56012241.

It is not a de Polignac number, because 14221065 - 2¹⁴ = 14204681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14221069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7150 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (1446300).

Almost surely, 2^14221065 is an apocalyptic number.

14221065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14221065 is a deficient number, since it is larger than the sum of its proper divisors (8919735).

14221065 is a wasteful number, since it uses less digits than its factorization.

14221065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 14221065 is about 3771.0827357670. The cubic root of 14221065 is about 242.2761742442.

The spelling of 14221065 in words is "fourteen million, two hundred twenty-one thousand, sixty-five".