8685222 has 32 divisors (see below), whose sum is σ = 21380352. Its totient is φ = 2290464.

The previous prime is 8685211. The next prime is 8685227. The reversal of 8685222 is 2225868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7408 + ... + 8499.

It is an arithmetic number, because the mean of its divisors is an integer number (668136).

Almost surely, 2^8685222 is an apocalyptic number.

8685222 is an abundant number, since it is smaller than the sum of its proper divisors (12695130).

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

8685222 is a wasteful number, since it uses less digits than its factorization.

8685222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932.

The product of its digits is 15360, while the sum is 33.

The square root of 8685222 is about 2947.0700704259. The cubic root of 8685222 is about 205.5544932770.

The spelling of 8685222 in words is "eight million, six hundred eighty-five thousand, two hundred twenty-two".