1222095313 has 2 divisors, whose sum is σ = 1222095314. Its totient is φ = 1222095312.

The previous prime is 1222095307. The next prime is 1222095341. The reversal of 1222095313 is 3135902221.

It is an a-pointer prime, because the next prime (1222095341) can be obtained adding 1222095313 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030217409 + 191877904 = 32097^2 + 13852^2 .

It is an emirp because it is prime and its reverse (3135902221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222095313 - 2¹⁷ = 1221964241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222095353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611047656 + 611047657.

It is an arithmetic number, because the mean of its divisors is an integer number (611047657).

Almost surely, 2^1222095313 is an apocalyptic number.

It is an amenable number.

1222095313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222095313 is an equidigital number, since it uses as much as digits as its factorization.

1222095313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1222095313 is about 34958.4798439520. The cubic root of 1222095313 is about 1069.1411027461.

Adding to 1222095313 its reverse (3135902221), we get a palindrome (4357997534).

The spelling of 1222095313 in words is "one billion, two hundred twenty-two million, ninety-five thousand, three hundred thirteen".