14221522639 has 2 divisors, whose sum is σ = 14221522640. Its totient is φ = 14221522638.

The previous prime is 14221522603. The next prime is 14221522661. The reversal of 14221522639 is 93622512241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221522639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14221522598 and 14221522607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14221562639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110761319 + 7110761320.

It is an arithmetic number, because the mean of its divisors is an integer number (7110761320).

Almost surely, 2^14221522639 is an apocalyptic number.

14221522639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221522639 is an equidigital number, since it uses as much as digits as its factorization.

14221522639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 14221522639 in words is "fourteen billion, two hundred twenty-one million, five hundred twenty-two thousand, six hundred thirty-nine".