18244334 has 8 divisors (see below), whose sum is σ = 27830520. Its totient is φ = 8967496.

The previous prime is 18244333. The next prime is 18244361. The reversal of 18244334 is 43344281.

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

It is a junction number, because it is equal to n+sod(n) for n = 18244297 and 18244306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18244333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77189 + ... + 77424.

It is an arithmetic number, because the mean of its divisors is an integer number (3478815).

Almost surely, 2^18244334 is an apocalyptic number.

18244334 is a deficient number, since it is larger than the sum of its proper divisors (9586186).

18244334 is a wasteful number, since it uses less digits than its factorization.

18244334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154674.

The product of its digits is 9216, while the sum is 29.

The square root of 18244334 is about 4271.3386660390. The cubic root of 18244334 is about 263.2546219202.

The spelling of 18244334 in words is "eighteen million, two hundred forty-four thousand, three hundred thirty-four".