22105158 has 8 divisors (see below), whose sum is σ = 44210328. Its totient is φ = 7368384.

The previous prime is 22105147. The next prime is 22105159. The reversal of 22105158 is 85150122.

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

22105158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22105159) 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, 1842091 + ... + 1842102.

It is an arithmetic number, because the mean of its divisors is an integer number (5526291).

Almost surely, 2^22105158 is an apocalyptic number.

22105158 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.

22105158 is a wasteful number, since it uses less digits than its factorization.

22105158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684198.

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

The square root of 22105158 is about 4701.6122766557. The cubic root of 22105158 is about 280.6496733944.

The spelling of 22105158 in words is "twenty-two million, one hundred five thousand, one hundred fifty-eight".