1366566422 has 8 divisors (see below), whose sum is σ = 2207530416. Its totient is φ = 630722952.

The previous prime is 1366566419. The next prime is 1366566427. The reversal of 1366566422 is 2246656631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1366566422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366566427) 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 in 3 ways as a sum of consecutive naturals, for example, 26280098 + ... + 26280149.

It is an arithmetic number, because the mean of its divisors is an integer number (275941302).

Almost surely, 2^1366566422 is an apocalyptic number.

1366566422 is a deficient number, since it is larger than the sum of its proper divisors (840963994).

1366566422 is a wasteful number, since it uses less digits than its factorization.

1366566422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52560262.

The product of its digits is 311040, while the sum is 41.

The square root of 1366566422 is about 36967.0991829221. The cubic root of 1366566422 is about 1109.7119134416.

The spelling of 1366566422 in words is "one billion, three hundred sixty-six million, five hundred sixty-six thousand, four hundred twenty-two".