6622466393 has 2 divisors, whose sum is σ = 6622466394. Its totient is φ = 6622466392.

The previous prime is 6622466381. The next prime is 6622466437. The reversal of 6622466393 is 3936642266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6097735744 + 524730649 = 78088^2 + 22907^2 .

It is a cyclic number.

It is not a de Polignac number, because 6622466393 - 2¹⁶ = 6622400857 is a prime.

It is a super-2 number, since 2×6622466393² = 87714122252828860898, which contains 22 as substring.

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 (6622466293) 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, 3311233196 + 3311233197.

It is an arithmetic number, because the mean of its divisors is an integer number (3311233197).

Almost surely, 2^6622466393 is an apocalyptic number.

It is an amenable number.

6622466393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622466393 is an equidigital number, since it uses as much as digits as its factorization.

6622466393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 47.

The square root of 6622466393 is about 81378.5376681100. The cubic root of 6622466393 is about 1877.9034264104.

The spelling of 6622466393 in words is "six billion, six hundred twenty-two million, four hundred sixty-six thousand, three hundred ninety-three".