1222386673 has 2 divisors, whose sum is σ = 1222386674. Its totient is φ = 1222386672.

The previous prime is 1222386661. The next prime is 1222386691. The reversal of 1222386673 is 3766832221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860131584 + 362255089 = 29328^2 + 19033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222386673 - 2⁹ = 1222386161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222386973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611193336 + 611193337.

It is an arithmetic number, because the mean of its divisors is an integer number (611193337).

Almost surely, 2^1222386673 is an apocalyptic number.

It is an amenable number.

1222386673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222386673 is an equidigital number, since it uses as much as digits as its factorization.

1222386673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 1222386673 is about 34962.6468248615. The cubic root of 1222386673 is about 1069.2260607131.

The spelling of 1222386673 in words is "one billion, two hundred twenty-two million, three hundred eighty-six thousand, six hundred seventy-three".