18327226 has 8 divisors (see below), whose sum is σ = 27515124. Its totient is φ = 9155520.

The previous prime is 18327223. The next prime is 18327233. The reversal of 18327226 is 62272381.

It can be written as a sum of positive squares in 2 ways, for example, as 17766225 + 561001 = 4215^2 + 749^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18327223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 6088.

Almost surely, 2^18327226 is an apocalyptic number.

18327226 is a deficient number, since it is larger than the sum of its proper divisors (9187898).

18327226 is a wasteful number, since it uses less digits than its factorization.

18327226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096.

The product of its digits is 8064, while the sum is 31.

The square root of 18327226 is about 4281.0309506006. The cubic root of 18327226 is about 263.6527133088.

The spelling of 18327226 in words is "eighteen million, three hundred twenty-seven thousand, two hundred twenty-six".