18226006 has 8 divisors (see below), whose sum is σ = 28947240. Its totient is φ = 8576928.

The previous prime is 18226001. The next prime is 18226031. The reversal of 18226006 is 60062281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18226001) 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, 267996 + ... + 268063.

It is an arithmetic number, because the mean of its divisors is an integer number (3618405).

Almost surely, 2^18226006 is an apocalyptic number.

18226006 is a deficient number, since it is larger than the sum of its proper divisors (10721234).

18226006 is a wasteful number, since it uses less digits than its factorization.

18226006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536078.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18226006 is about 4269.1926637246. The cubic root of 18226006 is about 263.1664384272.

Adding to 18226006 its reverse (60062281), we get a palindrome (78288287).

The spelling of 18226006 in words is "eighteen million, two hundred twenty-six thousand, six".