8722206 has 48 divisors (see below), whose sum is σ = 19768320. Its totient is φ = 2777040.

The previous prime is 8722193. The next prime is 8722211. The reversal of 8722206 is 6022278.

It is a self number, because there is not a number n which added to its sum of digits gives 8722206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45571 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (411840).

Almost surely, 2^8722206 is an apocalyptic number.

8722206 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8722206 is an abundant number, since it is smaller than the sum of its proper divisors (11046114).

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

8722206 is a wasteful number, since it uses less digits than its factorization.

8722206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 8722206 is about 2953.3381113581. The cubic root of 8722206 is about 205.8458487949.

The spelling of 8722206 in words is "eight million, seven hundred twenty-two thousand, two hundred six".