8117222 has 8 divisors (see below), whose sum is σ = 12258000. Its totient is φ = 4031224.

The previous prime is 8117203. The next prime is 8117243. The reversal of 8117222 is 2227118.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13322 + ... + 13917.

It is an arithmetic number, because the mean of its divisors is an integer number (1532250).

Almost surely, 2^8117222 is an apocalyptic number.

8117222 is a deficient number, since it is larger than the sum of its proper divisors (4140778).

8117222 is a wasteful number, since it uses less digits than its factorization.

8117222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390.

The product of its digits is 448, while the sum is 23.

The square root of 8117222 is about 2849.0738846158. The cubic root of 8117222 is about 200.9721172844.

The spelling of 8117222 in words is "eight million, one hundred seventeen thousand, two hundred twenty-two".