1314434221 has 2 divisors, whose sum is σ = 1314434222. Its totient is φ = 1314434220.

The previous prime is 1314434197. The next prime is 1314434227. The reversal of 1314434221 is 1224344131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1225980196 + 88454025 = 35014^2 + 9405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314434221 - 2¹¹ = 1314432173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314434227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657217110 + 657217111.

It is an arithmetic number, because the mean of its divisors is an integer number (657217111).

Almost surely, 2^1314434221 is an apocalyptic number.

It is an amenable number.

1314434221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314434221 is an equidigital number, since it uses as much as digits as its factorization.

1314434221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 1314434221 is about 36255.1268236645. The cubic root of 1314434221 is about 1095.4173595814.

Adding to 1314434221 its reverse (1224344131), we get a palindrome (2538778352).

The spelling of 1314434221 in words is "one billion, three hundred fourteen million, four hundred thirty-four thousand, two hundred twenty-one".