18033226 has 8 divisors (see below), whose sum is σ = 28641060. Its totient is φ = 8486208.

The previous prime is 18033217. The next prime is 18033229. The reversal of 18033226 is 62233081.

It can be written as a sum of positive squares in 2 ways, for example, as 17214201 + 819025 = 4149^2 + 905^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18033226.

It is not an unprimeable number, because it can be changed into a prime (18033229) 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, 265161 + ... + 265228.

Almost surely, 2^18033226 is an apocalyptic number.

18033226 is a deficient number, since it is larger than the sum of its proper divisors (10607834).

18033226 is a wasteful number, since it uses less digits than its factorization.

18033226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530408.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 18033226 is about 4246.5546034403. The cubic root of 18033226 is about 262.2352935513.

The spelling of 18033226 in words is "eighteen million, thirty-three thousand, two hundred twenty-six".