22118850 has 144 divisors (see below), whose sum is σ = 67704000. Its totient is φ = 5132160.

The previous prime is 22118849. The next prime is 22118867. The reversal of 22118850 is 5881122.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 111051 + ... + 111249.

Almost surely, 2^22118850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22118850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33852000).

22118850 is an abundant number, since it is smaller than the sum of its proper divisors (45585150).

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

22118850 is a wasteful number, since it uses less digits than its factorization.

22118850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 22118850 is about 4703.0681474969. The cubic root of 22118850 is about 280.7076065129.

Adding to 22118850 its reverse (5881122), we get a palindrome (27999972).

The spelling of 22118850 in words is "twenty-two million, one hundred eighteen thousand, eight hundred fifty".