18422214 has 16 divisors (see below), whose sum is σ = 37628928. Its totient is φ = 6009992.

The previous prime is 18422213. The next prime is 18422231. The reversal of 18422214 is 41222481.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18422213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32382 + ... + 32945.

It is an arithmetic number, because the mean of its divisors is an integer number (2351808).

Almost surely, 2^18422214 is an apocalyptic number.

18422214 is an abundant number, since it is smaller than the sum of its proper divisors (19206714).

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

18422214 is a wasteful number, since it uses less digits than its factorization.

18422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65379.

The product of its digits is 1024, while the sum is 24.

The square root of 18422214 is about 4292.1106695890. The cubic root of 18422214 is about 264.1074229957.

Adding to 18422214 its reverse (41222481), we get a palindrome (59644695).

The spelling of 18422214 in words is "eighteen million, four hundred twenty-two thousand, two hundred fourteen".