14442421 has 16 divisors (see below), whose sum is σ = 16963200. Its totient is φ = 12041280.

The previous prime is 14442419. The next prime is 14442431. The reversal of 14442421 is 12424441.

It is a cyclic number.

It is not a de Polignac number, because 14442421 - 2¹ = 14442419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14442392 and 14442401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442431) 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, 63510 + ... + 63736.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^14442421 is an apocalyptic number.

It is an amenable number.

14442421 is a deficient number, since it is larger than the sum of its proper divisors (2520779).

14442421 is a wasteful number, since it uses less digits than its factorization.

14442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 1024, while the sum is 22.

The square root of 14442421 is about 3800.3185392806. The cubic root of 14442421 is about 243.5267466231.

Adding to 14442421 its reverse (12424441), we get a palindrome (26866862).

The spelling of 14442421 in words is "fourteen million, four hundred forty-two thousand, four hundred twenty-one".