1222323013 has 2 divisors, whose sum is σ = 1222323014. Its totient is φ = 1222323012.

The previous prime is 1222322977. The next prime is 1222323019. The reversal of 1222323013 is 3103232221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1212293124 + 10029889 = 34818^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222323013 - 2²¹ = 1220225861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222323019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161506 + 611161507.

It is an arithmetic number, because the mean of its divisors is an integer number (611161507).

Almost surely, 2^1222323013 is an apocalyptic number.

It is an amenable number.

1222323013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222323013 is an equidigital number, since it uses as much as digits as its factorization.

1222323013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1222323013 is about 34961.7364128271. The cubic root of 1222323013 is about 1069.2074991798.

Adding to 1222323013 its reverse (3103232221), we get a palindrome (4325555234).

The spelling of 1222323013 in words is "one billion, two hundred twenty-two million, three hundred twenty-three thousand, thirteen".