1327222642 has 8 divisors (see below), whose sum is σ = 2059483500. Its totient is φ = 640728144.

The previous prime is 1327222639. The next prime is 1327222643. The reversal of 1327222642 is 2462227231.

It can be written as a sum of positive squares in 2 ways, for example, as 1145754801 + 181467841 = 33849^2 + 13471^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1327222643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11441517 + ... + 11441632.

Almost surely, 2^1327222642 is an apocalyptic number.

1327222642 is a deficient number, since it is larger than the sum of its proper divisors (732260858).

1327222642 is a wasteful number, since it uses less digits than its factorization.

1327222642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22883180.

The product of its digits is 16128, while the sum is 31.

The square root of 1327222642 is about 36431.0669895901. The cubic root of 1327222642 is about 1098.9584195575.

Adding to 1327222642 its reverse (2462227231), we get a palindrome (3789449873).

The spelling of 1327222642 in words is "one billion, three hundred twenty-seven million, two hundred twenty-two thousand, six hundred forty-two".