18244465 has 8 divisors (see below), whose sum is σ = 23045760. Its totient is φ = 13827312.

The previous prime is 18244453. The next prime is 18244469. The reversal of 18244465 is 56444281.

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

It is a cyclic number.

It is not a de Polignac number, because 18244465 - 2⁵ = 18244433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18244465.

It is not an unprimeable number, because it can be changed into a prime (18244469) 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, 95929 + ... + 96118.

It is an arithmetic number, because the mean of its divisors is an integer number (2880720).

Almost surely, 2^18244465 is an apocalyptic number.

It is an amenable number.

18244465 is a deficient number, since it is larger than the sum of its proper divisors (4801295).

18244465 is a wasteful number, since it uses less digits than its factorization.

18244465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192071.

The product of its digits is 30720, while the sum is 34.

The square root of 18244465 is about 4271.3540007824. The cubic root of 18244465 is about 263.2552520021.

The spelling of 18244465 in words is "eighteen million, two hundred forty-four thousand, four hundred sixty-five".