14024331221 has 2 divisors, whose sum is σ = 14024331222. Its totient is φ = 14024331220.

The previous prime is 14024331199. The next prime is 14024331247. The reversal of 14024331221 is 12213342041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12794776996 + 1229554225 = 113114^2 + 35065^2 .

It is a cyclic number.

It is not a de Polignac number, because 14024331221 - 2³⁰ = 12950589397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14024331421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7012165610 + 7012165611.

It is an arithmetic number, because the mean of its divisors is an integer number (7012165611).

Almost surely, 2^14024331221 is an apocalyptic number.

It is an amenable number.

14024331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14024331221 is an equidigital number, since it uses as much as digits as its factorization.

14024331221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 14024331221 its reverse (12213342041), we get a palindrome (26237673262).

The spelling of 14024331221 in words is "fourteen billion, twenty-four million, three hundred thirty-one thousand, two hundred twenty-one".