14522421 has 8 divisors (see below), whose sum is σ = 19535040. Its totient is φ = 9595712.

The previous prime is 14522413. The next prime is 14522467. The reversal of 14522421 is 12422541.

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 14522421 - 2³ = 14522413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14522621) 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 7 ways as a sum of consecutive naturals, for example, 21081 + ... + 21758.

It is an arithmetic number, because the mean of its divisors is an integer number (2441880).

Almost surely, 2^14522421 is an apocalyptic number.

It is an amenable number.

14522421 is a deficient number, since it is larger than the sum of its proper divisors (5012619).

14522421 is a wasteful number, since it uses less digits than its factorization.

14522421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42955.

The product of its digits is 640, while the sum is 21.

The square root of 14522421 is about 3810.8294372748. The cubic root of 14522421 is about 243.9755697568.

Adding to 14522421 its reverse (12422541), we get a palindrome (26944962).

The spelling of 14522421 in words is "fourteen million, five hundred twenty-two thousand, four hundred twenty-one".