22055118 has 8 divisors (see below), whose sum is σ = 44110248. Its totient is φ = 7351704.

The previous prime is 22055113. The next prime is 22055149. The reversal of 22055118 is 81155022.

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

22055118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055113) 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, 1837921 + ... + 1837932.

It is an arithmetic number, because the mean of its divisors is an integer number (5513781).

Almost surely, 2^22055118 is an apocalyptic number.

22055118 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.

22055118 is a wasteful number, since it uses less digits than its factorization.

22055118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675858.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 22055118 is about 4696.2876828406. The cubic root of 22055118 is about 280.4377421634.

The spelling of 22055118 in words is "twenty-two million, fifty-five thousand, one hundred eighteen".