9006218 has 8 divisors (see below), whose sum is σ = 14548548. Its totient is φ = 4156704.

The previous prime is 9006203. The next prime is 9006253. The reversal of 9006218 is 8126009.

It can be written as a sum of positive squares in 2 ways, for example, as 7745089 + 1261129 = 2783^2 + 1123^2 .

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

It is a super-2 number, since 2×9006218² = 162223925327048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 346393 = 9006218 / (9 + 0 + 0 + 6 + 2 + 1 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173171 + ... + 173222.

Almost surely, 2^9006218 is an apocalyptic number.

9006218 is a deficient number, since it is larger than the sum of its proper divisors (5542330).

9006218 is a wasteful number, since it uses less digits than its factorization.

9006218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346408.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 9006218 is about 3001.0361543973. The cubic root of 9006218 is about 208.0562748375.

The spelling of 9006218 in words is "nine million, six thousand, two hundred eighteen".