1222413473 has 2 divisors, whose sum is σ = 1222413474. Its totient is φ = 1222413472.

The previous prime is 1222413463. The next prime is 1222413523. The reversal of 1222413473 is 3743142221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671431744 + 550981729 = 25912^2 + 23473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222413473 - 2⁴ = 1222413457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1222413463) 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, 611206736 + 611206737.

It is an arithmetic number, because the mean of its divisors is an integer number (611206737).

Almost surely, 2^1222413473 is an apocalyptic number.

It is an amenable number.

1222413473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222413473 is an equidigital number, since it uses as much as digits as its factorization.

1222413473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 1222413473 is about 34963.0300889382. The cubic root of 1222413473 is about 1069.2338746751.

Adding to 1222413473 its reverse (3743142221), we get a palindrome (4965555694).

The spelling of 1222413473 in words is "one billion, two hundred twenty-two million, four hundred thirteen thousand, four hundred seventy-three".