14622525221 has 2 divisors, whose sum is σ = 14622525222. Its totient is φ = 14622525220.

The previous prime is 14622525199. The next prime is 14622525223. The reversal of 14622525221 is 12252522641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13545700996 + 1076824225 = 116386^2 + 32815^2 .

It is a cyclic number.

It is not a de Polignac number, because 14622525221 - 2⁶ = 14622525157 is a prime.

Together with 14622525223, 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 (14622525223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7311262610 + 7311262611.

It is an arithmetic number, because the mean of its divisors is an integer number (7311262611).

Almost surely, 2^14622525221 is an apocalyptic number.

It is an amenable number.

14622525221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14622525221 is an equidigital number, since it uses as much as digits as its factorization.

14622525221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The spelling of 14622525221 in words is "fourteen billion, six hundred twenty-two million, five hundred twenty-five thousand, two hundred twenty-one".