66008226 has 8 divisors (see below), whose sum is σ = 132016464. Its totient is φ = 22002740.

The previous prime is 66008191. The next prime is 66008227. The reversal of 66008226 is 62280066.

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

66008226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66008193 and 66008202.

It is not an unprimeable number, because it can be changed into a prime (66008227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500680 + ... + 5500691.

It is an arithmetic number, because the mean of its divisors is an integer number (16502058).

Almost surely, 2^66008226 is an apocalyptic number.

66008226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66008226 is a wasteful number, since it uses less digits than its factorization.

66008226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001376.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 66008226 is about 8124.5446641643. The cubic root of 66008226 is about 404.1407908801.

The spelling of 66008226 in words is "sixty-six million, eight thousand, two hundred twenty-six".