22097118 has 8 divisors (see below), whose sum is σ = 44194248. Its totient is φ = 7365704.

The previous prime is 22097107. The next prime is 22097123. The reversal of 22097118 is 81179022.

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

22097118 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 1841421 + ... + 1841432.

It is an arithmetic number, because the mean of its divisors is an integer number (5524281).

Almost surely, 2^22097118 is an apocalyptic number.

22097118 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.

22097118 is a wasteful number, since it uses less digits than its factorization.

22097118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682858.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 22097118 is about 4700.7571730520. The cubic root of 22097118 is about 280.6156436746.

The spelling of 22097118 in words is "twenty-two million, ninety-seven thousand, one hundred eighteen".