1434314221 has 2 divisors, whose sum is σ = 1434314222. Its totient is φ = 1434314220.

The previous prime is 1434314207. The next prime is 1434314257. The reversal of 1434314221 is 1224134341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816244900 + 618069321 = 28570^2 + 24861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1434314221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434314621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717157110 + 717157111.

It is an arithmetic number, because the mean of its divisors is an integer number (717157111).

Almost surely, 2^1434314221 is an apocalyptic number.

It is an amenable number.

1434314221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434314221 is an equidigital number, since it uses as much as digits as its factorization.

1434314221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1434314221 is about 37872.3411079907. The cubic root of 1434314221 is about 1127.7550178562.

Adding to 1434314221 its reverse (1224134341), we get a palindrome (2658448562).

The spelling of 1434314221 in words is "one billion, four hundred thirty-four million, three hundred fourteen thousand, two hundred twenty-one".