13447222427 has 2 divisors, whose sum is σ = 13447222428. Its totient is φ = 13447222426.

The previous prime is 13447222379. The next prime is 13447222447. The reversal of 13447222427 is 72422274431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13447222427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13447222447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723611213 + 6723611214.

It is an arithmetic number, because the mean of its divisors is an integer number (6723611214).

Almost surely, 2^13447222427 is an apocalyptic number.

13447222427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13447222427 is an equidigital number, since it uses as much as digits as its factorization.

13447222427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 38.

Adding to 13447222427 its reverse (72422274431), we get a palindrome (85869496858).

The spelling of 13447222427 in words is "thirteen billion, four hundred forty-seven million, two hundred twenty-two thousand, four hundred twenty-seven".