8818222 has 8 divisors (see below), whose sum is σ = 15116976. Its totient is φ = 3779232.

The previous prime is 8818211. The next prime is 8818231. The reversal of 8818222 is 2228188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8818222² = 155522078482568, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 314923 + ... + 314950.

It is an arithmetic number, because the mean of its divisors is an integer number (1889622).

Almost surely, 2^8818222 is an apocalyptic number.

8818222 is a deficient number, since it is larger than the sum of its proper divisors (6298754).

8818222 is a wasteful number, since it uses less digits than its factorization.

8818222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629882.

The product of its digits is 4096, while the sum is 31.

The square root of 8818222 is about 2969.5491240254. The cubic root of 8818222 is about 206.5984264235.

The spelling of 8818222 in words is "eight million, eight hundred eighteen thousand, two hundred twenty-two".