14224545521 has 2 divisors, whose sum is σ = 14224545522. Its totient is φ = 14224545520.

The previous prime is 14224545509. The next prime is 14224545563. The reversal of 14224545521 is 12554542241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14081144896 + 143400625 = 118664^2 + 11975^2 .

It is an emirp because it is prime and its reverse (12554542241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14224545521 - 2⁶ = 14224545457 is a prime.

It is a super-2 number, since 2×14224545521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14224545121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7112272760 + 7112272761.

It is an arithmetic number, because the mean of its divisors is an integer number (7112272761).

Almost surely, 2^14224545521 is an apocalyptic number.

It is an amenable number.

14224545521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14224545521 is an equidigital number, since it uses as much as digits as its factorization.

14224545521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64000, while the sum is 35.

The spelling of 14224545521 in words is "fourteen billion, two hundred twenty-four million, five hundred forty-five thousand, five hundred twenty-one".