8765222 has 4 divisors (see below), whose sum is σ = 13147836. Its totient is φ = 4382610.

The previous prime is 8765209. The next prime is 8765243. The reversal of 8765222 is 2225678.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191304 + ... + 2191307.

It is an arithmetic number, because the mean of its divisors is an integer number (3286959).

Almost surely, 2^8765222 is an apocalyptic number.

8765222 is a deficient number, since it is larger than the sum of its proper divisors (4382614).

8765222 is a wasteful number, since it uses less digits than its factorization.

8765222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382613.

The product of its digits is 13440, while the sum is 32.

The square root of 8765222 is about 2960.6117611061. The cubic root of 8765222 is about 206.1836894881.

The spelling of 8765222 in words is "eight million, seven hundred sixty-five thousand, two hundred twenty-two".