14221263 has 16 divisors (see below), whose sum is σ = 21876480. Its totient is φ = 8049216.

The previous prime is 14221247. The next prime is 14221289. The reversal of 14221263 is 36212241.

It is not a de Polignac number, because 14221263 - 2⁴ = 14221247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221243) 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, 918 + ... + 5411.

It is an arithmetic number, because the mean of its divisors is an integer number (1367280).

Almost surely, 2^14221263 is an apocalyptic number.

14221263 is a deficient number, since it is larger than the sum of its proper divisors (7655217).

14221263 is a wasteful number, since it uses less digits than its factorization.

14221263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446.

The product of its digits is 576, while the sum is 21.

The square root of 14221263 is about 3771.1089880829. The cubic root of 14221263 is about 242.2772986433.

The spelling of 14221263 in words is "fourteen million, two hundred twenty-one thousand, two hundred sixty-three".