14422021021 has 2 divisors, whose sum is σ = 14422021022. Its totient is φ = 14422021020.

The previous prime is 14422020997. The next prime is 14422021037. The reversal of 14422021021 is 12012022441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11149036921 + 3272984100 = 105589^2 + 57210^2 .

It is a cyclic number.

It is not a de Polignac number, because 14422021021 - 2⁵ = 14422020989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14422021021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14422027021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211010510 + 7211010511.

It is an arithmetic number, because the mean of its divisors is an integer number (7211010511).

Almost surely, 2^14422021021 is an apocalyptic number.

It is an amenable number.

14422021021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14422021021 is an equidigital number, since it uses as much as digits as its factorization.

14422021021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 14422021021 its reverse (12012022441), we get a palindrome (26434043462).

The spelling of 14422021021 in words is "fourteen billion, four hundred twenty-two million, twenty-one thousand, twenty-one".