14442221 has 2 divisors, whose sum is σ = 14442222. Its totient is φ = 14442220.

The previous prime is 14442179. The next prime is 14442251. The reversal of 14442221 is 12224441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 855625 = 3686^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 14442221 - 2⁶ = 14442157 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14442193 and 14442202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14442251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221110 + 7221111.

It is an arithmetic number, because the mean of its divisors is an integer number (7221111).

Almost surely, 2^14442221 is an apocalyptic number.

It is an amenable number.

14442221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14442221 is an equidigital number, since it uses as much as digits as its factorization.

14442221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 512, while the sum is 20.

The square root of 14442221 is about 3800.2922256058. The cubic root of 14442221 is about 243.5256224909.

Adding to 14442221 its reverse (12224441), we get a palindrome (26666662).

The spelling of 14442221 in words is "fourteen million, four hundred forty-two thousand, two hundred twenty-one".