14022421 has 8 divisors (see below), whose sum is σ = 16229120. Its totient is φ = 11866608.

The previous prime is 14022413. The next prime is 14022443. The reversal of 14022421 is 12422041.

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 14022421 - 2³ = 14022413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14022395 and 14022404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14022461) 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, 12126 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (2028640).

Almost surely, 2^14022421 is an apocalyptic number.

It is an amenable number.

14022421 is a deficient number, since it is larger than the sum of its proper divisors (2206699).

14022421 is an equidigital number, since it uses as much as digits as its factorization.

14022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25443.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 14022421 is about 3744.6523203096. The cubic root of 14022421 is about 241.1428192227.

Adding to 14022421 its reverse (12422041), we get a palindrome (26444462).

The spelling of 14022421 in words is "fourteen million, twenty-two thousand, four hundred twenty-one".