8456222 has 4 divisors (see below), whose sum is σ = 12684336. Its totient is φ = 4228110.

The previous prime is 8456221. The next prime is 8456233. The reversal of 8456222 is 2226548.

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 (8456221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114054 + ... + 2114057.

It is an arithmetic number, because the mean of its divisors is an integer number (3171084).

Almost surely, 2^8456222 is an apocalyptic number.

8456222 is a deficient number, since it is larger than the sum of its proper divisors (4228114).

8456222 is a wasteful number, since it uses less digits than its factorization.

8456222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228113.

The product of its digits is 7680, while the sum is 29.

The square root of 8456222 is about 2907.9583903488. The cubic root of 8456222 is about 203.7317857932.

The spelling of 8456222 in words is "eight million, four hundred fifty-six thousand, two hundred twenty-two".