8623222 has 4 divisors (see below), whose sum is σ = 12934836. Its totient is φ = 4311610.

The previous prime is 8623213. The next prime is 8623247. The reversal of 8623222 is 2223268.

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

It is a super-2 number, since 2×8623222² = 148719915322568, which contains 22 as substring.

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 2155804 + ... + 2155807.

It is an arithmetic number, because the mean of its divisors is an integer number (3233709).

Almost surely, 2^8623222 is an apocalyptic number.

8623222 is a deficient number, since it is larger than the sum of its proper divisors (4311614).

8623222 is a wasteful number, since it uses less digits than its factorization.

8623222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311613.

The product of its digits is 2304, while the sum is 25.

The square root of 8623222 is about 2936.5323086934. The cubic root of 8623222 is about 205.0642035665.

The spelling of 8623222 in words is "eight million, six hundred twenty-three thousand, two hundred twenty-two".