8012218 has 4 divisors (see below), whose sum is σ = 12018330. Its totient is φ = 4006108.

The previous prime is 8012209. The next prime is 8012227. The reversal of 8012218 is 8122108.

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

It is an interprime number because it is at equal distance from previous prime (8012209) and next prime (8012227).

It can be written as a sum of positive squares in only one way, i.e., 7935489 + 76729 = 2817^2 + 277^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003053 + ... + 2003056.

Almost surely, 2^8012218 is an apocalyptic number.

8012218 is a deficient number, since it is larger than the sum of its proper divisors (4006112).

8012218 is a wasteful number, since it uses less digits than its factorization.

8012218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006111.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 8012218 is about 2830.5861583778. The cubic root of 8012218 is about 200.1017648774.

The spelling of 8012218 in words is "eight million, twelve thousand, two hundred eighteen".