14227365221 has 2 divisors, whose sum is σ = 14227365222. Its totient is φ = 14227365220.

The previous prime is 14227365199. The next prime is 14227365223. The reversal of 14227365221 is 12256372241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10565784100 + 3661581121 = 102790^2 + 60511^2 .

It is a cyclic number.

It is not a de Polignac number, because 14227365221 - 2⁶ = 14227365157 is a prime.

It is a super-2 number, since 2×14227365221² (a number of 21 digits) contains 22 as substring.

Together with 14227365223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14227365223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7113682610 + 7113682611.

It is an arithmetic number, because the mean of its divisors is an integer number (7113682611).

Almost surely, 2^14227365221 is an apocalyptic number.

It is an amenable number.

14227365221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14227365221 is an equidigital number, since it uses as much as digits as its factorization.

14227365221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The spelling of 14227365221 in words is "fourteen billion, two hundred twenty-seven million, three hundred sixty-five thousand, two hundred twenty-one".