8412218 has 4 divisors (see below), whose sum is σ = 12618330. Its totient is φ = 4206108.

The previous prime is 8412169. The next prime is 8412221. The reversal of 8412218 is 8122148.

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

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 1352569 = 2657^2 + 1163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103053 + ... + 2103056.

Almost surely, 2^8412218 is an apocalyptic number.

8412218 is a deficient number, since it is larger than the sum of its proper divisors (4206112).

8412218 is a wasteful number, since it uses less digits than its factorization.

8412218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206111.

The product of its digits is 1024, while the sum is 26.

The square root of 8412218 is about 2900.3823885826. The cubic root of 8412218 is about 203.3777817965.

The spelling of 8412218 in words is "eight million, four hundred twelve thousand, two hundred eighteen".