14744221 has 4 divisors (see below), whose sum is σ = 14964352. Its totient is φ = 14524092.

The previous prime is 14744207. The next prime is 14744243. The reversal of 14744221 is 12244741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14744221 - 2¹¹ = 14742173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14744201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109965 + ... + 110098.

It is an arithmetic number, because the mean of its divisors is an integer number (3741088).

Almost surely, 2^14744221 is an apocalyptic number.

It is an amenable number.

14744221 is a deficient number, since it is larger than the sum of its proper divisors (220131).

14744221 is an equidigital number, since it uses as much as digits as its factorization.

14744221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220130.

The product of its digits is 1792, while the sum is 25.

The square root of 14744221 is about 3839.8204385101. The cubic root of 14744221 is about 245.2113738806.

Adding to 14744221 its reverse (12244741), we get a palindrome (26988962).

The spelling of 14744221 in words is "fourteen million, seven hundred forty-four thousand, two hundred twenty-one".