14442021 has 12 divisors (see below), whose sum is σ = 22757280. Its totient is φ = 8752680.

The previous prime is 14442017. The next prime is 14442037. The reversal of 14442021 is 12024441.

It is not a de Polignac number, because 14442021 - 2² = 14442017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14441985 and 14442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72841 + ... + 73038.

It is an arithmetic number, because the mean of its divisors is an integer number (1896440).

Almost surely, 2^14442021 is an apocalyptic number.

14442021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14442021 is a deficient number, since it is larger than the sum of its proper divisors (8315259).

14442021 is a wasteful number, since it uses less digits than its factorization.

14442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145896 (or 145893 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 14442021 is about 3800.2659117488. The cubic root of 14442021 is about 243.5244983482.

Adding to 14442021 its reverse (12024441), we get a palindrome (26466462).

It can be divided in two parts, 144420 and 21, that added together give a palindrome (144441).

The spelling of 14442021 in words is "fourteen million, four hundred forty-two thousand, twenty-one".