14394221 has 8 divisors (see below), whose sum is σ = 14830944. Its totient is φ = 13960080.

The previous prime is 14394187. The next prime is 14394227. The reversal of 14394221 is 12249341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14394221 - 2¹⁴ = 14377837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14394227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20486 + ... + 21176.

It is an arithmetic number, because the mean of its divisors is an integer number (1853868).

Almost surely, 2^14394221 is an apocalyptic number.

It is an amenable number.

14394221 is a deficient number, since it is larger than the sum of its proper divisors (436723).

14394221 is an equidigital number, since it uses as much as digits as its factorization.

14394221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 1728, while the sum is 26.

The square root of 14394221 is about 3793.9716656823. The cubic root of 14394221 is about 243.2555300559.

The spelling of 14394221 in words is "fourteen million, three hundred ninety-four thousand, two hundred twenty-one".