666133322 has 8 divisors (see below), whose sum is σ = 1012887876. Its totient is φ = 328504032.

The previous prime is 666133271. The next prime is 666133357. The reversal of 666133322 is 223331666.

666133322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 660027481 + 6105841 = 25691^2 + 2471^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281133 + ... + 2281424.

Almost surely, 2^666133322 is an apocalyptic number.

666133322 is a deficient number, since it is larger than the sum of its proper divisors (346754554).

666133322 is a wasteful number, since it uses less digits than its factorization.

666133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562632.

The product of its digits is 23328, while the sum is 32.

The square root of 666133322 is about 25809.5587331516. The cubic root of 666133322 is about 873.3474428439.

Adding to 666133322 its reverse (223331666), we get a palindrome (889464988).

The spelling of 666133322 in words is "six hundred sixty-six million, one hundred thirty-three thousand, three hundred twenty-two".