8819222 has 4 divisors (see below), whose sum is σ = 13228836. Its totient is φ = 4409610.

The previous prime is 8819207. The next prime is 8819227. The reversal of 8819222 is 2229188.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8819227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204804 + ... + 2204807.

It is an arithmetic number, because the mean of its divisors is an integer number (3307209).

Almost surely, 2^8819222 is an apocalyptic number.

8819222 is a deficient number, since it is larger than the sum of its proper divisors (4409614).

8819222 is a wasteful number, since it uses less digits than its factorization.

8819222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409613.

The product of its digits is 4608, while the sum is 32.

The square root of 8819222 is about 2969.7174949816. The cubic root of 8819222 is about 206.6062356553.

The spelling of 8819222 in words is "eight million, eight hundred nineteen thousand, two hundred twenty-two".