22198086 has 24 divisors (see below), whose sum is σ = 48185280. Its totient is φ = 7385616.

The previous prime is 22198069. The next prime is 22198093. The reversal of 22198086 is 68089122.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22198086.

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 11 ways as a sum of consecutive naturals, for example, 14820 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (2007720).

Almost surely, 2^22198086 is an apocalyptic number.

22198086 is an abundant number, since it is smaller than the sum of its proper divisors (25987194).

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

22198086 is a wasteful number, since it uses less digits than its factorization.

22198086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 22198086 is about 4711.4844794396. The cubic root of 22198086 is about 281.0423985027.

The spelling of 22198086 in words is "twenty-two million, one hundred ninety-eight thousand, eighty-six".