18354822 has 8 divisors (see below), whose sum is σ = 36709656. Its totient is φ = 6118272.

The previous prime is 18354799. The next prime is 18354823. The reversal of 18354822 is 22845381.

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

18354822 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18354823) 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, 1529563 + ... + 1529574.

It is an arithmetic number, because the mean of its divisors is an integer number (4588707).

Almost surely, 2^18354822 is an apocalyptic number.

18354822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18354822 is a wasteful number, since it uses less digits than its factorization.

18354822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059142.

The product of its digits is 15360, while the sum is 33.

The square root of 18354822 is about 4284.2527936619. The cubic root of 18354822 is about 263.7849775793.

The spelling of 18354822 in words is "eighteen million, three hundred fifty-four thousand, eight hundred twenty-two".