18089223 has 8 divisors (see below), whose sum is σ = 24528000. Its totient is φ = 11854968.

The previous prime is 18089221. The next prime is 18089231. The reversal of 18089223 is 32298081.

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

It is not a de Polignac number, because 18089223 - 2¹ = 18089221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18089221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50923 + ... + 51276.

It is an arithmetic number, because the mean of its divisors is an integer number (3066000).

Almost surely, 2^18089223 is an apocalyptic number.

18089223 is a deficient number, since it is larger than the sum of its proper divisors (6438777).

18089223 is a wasteful number, since it uses less digits than its factorization.

18089223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102261.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18089223 is about 4253.1427203892. The cubic root of 18089223 is about 262.5064451932.

The spelling of 18089223 in words is "eighteen million, eighty-nine thousand, two hundred twenty-three".