1222136359 has 2 divisors, whose sum is σ = 1222136360. Its totient is φ = 1222136358.

The previous prime is 1222136353. The next prime is 1222136371. The reversal of 1222136359 is 9536312221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222136359 - 2³ = 1222136351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222136351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611068179 + 611068180.

It is an arithmetic number, because the mean of its divisors is an integer number (611068180).

Almost surely, 2^1222136359 is an apocalyptic number.

1222136359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222136359 is an equidigital number, since it uses as much as digits as its factorization.

1222136359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 1222136359 is about 34959.0669068841. The cubic root of 1222136359 is about 1069.1530722093.

The spelling of 1222136359 in words is "one billion, two hundred twenty-two million, one hundred thirty-six thousand, three hundred fifty-nine".