1222331039 has 2 divisors, whose sum is σ = 1222331040. Its totient is φ = 1222331038.

The previous prime is 1222331017. The next prime is 1222331081. The reversal of 1222331039 is 9301332221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9301332221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222331039 - 2²⁰ = 1221282463 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222330999 and 1222331017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222331639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611165519 + 611165520.

It is an arithmetic number, because the mean of its divisors is an integer number (611165520).

Almost surely, 2^1222331039 is an apocalyptic number.

1222331039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222331039 is an equidigital number, since it uses as much as digits as its factorization.

1222331039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1222331039 is about 34961.8511952671. The cubic root of 1222331039 is about 1069.2098393797.

The spelling of 1222331039 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, thirty-nine".