9822666 has 32 divisors (see below), whose sum is σ = 22560768. Its totient is φ = 2792880.

The previous prime is 9822653. The next prime is 9822721. The reversal of 9822666 is 6662289.

9822666 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

9822666 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10951 + ... + 11813.

It is an arithmetic number, because the mean of its divisors is an integer number (705024).

Almost surely, 2^9822666 is an apocalyptic number.

9822666 is an abundant number, since it is smaller than the sum of its proper divisors (12738102).

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

9822666 is a wasteful number, since it uses less digits than its factorization.

9822666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 62208, while the sum is 39.

The square root of 9822666 is about 3134.1132717246. The cubic root of 9822666 is about 214.1623509622.

The spelling of 9822666 in words is "nine million, eight hundred twenty-two thousand, six hundred sixty-six".