822166396 has 12 divisors (see below), whose sum is σ = 1440110448. Its totient is φ = 410706272.

The previous prime is 822166391. The next prime is 822166403. The reversal of 822166396 is 693661228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822166391) 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, 89296 + ... + 98071.

It is an arithmetic number, because the mean of its divisors is an integer number (120009204).

Almost surely, 2^822166396 is an apocalyptic number.

It is an amenable number.

822166396 is a deficient number, since it is larger than the sum of its proper divisors (617944052).

822166396 is a wasteful number, since it uses less digits than its factorization.

822166396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188468 (or 188466 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 822166396 is about 28673.4440903077. Note that the first 3 decimals coincide. The cubic root of 822166396 is about 936.8137160727.

The spelling of 822166396 in words is "eight hundred twenty-two million, one hundred sixty-six thousand, three hundred ninety-six".