66667322 has 8 divisors (see below), whose sum is σ = 101887956. Its totient is φ = 32704672.

The previous prime is 66667309. The next prime is 66667331. The reversal of 66667322 is 22376666.

It can be written as a sum of positive squares in 2 ways, for example, as 66406201 + 261121 = 8149^2 + 511^2 .

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, 314363 + ... + 314574.

Almost surely, 2^66667322 is an apocalyptic number.

66667322 is a deficient number, since it is larger than the sum of its proper divisors (35220634).

66667322 is a wasteful number, since it uses less digits than its factorization.

66667322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628992.

The product of its digits is 108864, while the sum is 38.

The square root of 66667322 is about 8165.0059399856. The cubic root of 66667322 is about 405.4814616571.

The spelling of 66667322 in words is "sixty-six million, six hundred sixty-seven thousand, three hundred twenty-two".