14225521 has 2 divisors, whose sum is σ = 14225522. Its totient is φ = 14225520.

The previous prime is 14225503. The next prime is 14225531. The reversal of 14225521 is 12552241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 829921 = 3660^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 14225521 - 2⁹ = 14225009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14225492 and 14225501.

It is not a weakly prime, because it can be changed into another prime (14225531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112760 + 7112761.

It is an arithmetic number, because the mean of its divisors is an integer number (7112761).

Almost surely, 2^14225521 is an apocalyptic number.

It is an amenable number.

14225521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14225521 is an equidigital number, since it uses as much as digits as its factorization.

14225521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 22.

The square root of 14225521 is about 3771.6735012458. The cubic root of 14225521 is about 242.3014763786.

Adding to 14225521 its reverse (12552241), we get a palindrome (26777762).

The spelling of 14225521 in words is "fourteen million, two hundred twenty-five thousand, five hundred twenty-one".