22001198 has 16 divisors (see below), whose sum is σ = 34398000. Its totient is φ = 10540992.

The previous prime is 22001197. The next prime is 22001207. The reversal of 22001198 is 89110022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6698 + ... + 9426.

It is an arithmetic number, because the mean of its divisors is an integer number (2149875).

Almost surely, 2^22001198 is an apocalyptic number.

22001198 is a deficient number, since it is larger than the sum of its proper divisors (12396802).

22001198 is a wasteful number, since it uses less digits than its factorization.

22001198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 22001198 is about 4690.5434653140. The cubic root of 22001198 is about 280.2090190992.

The spelling of 22001198 in words is "twenty-two million, one thousand, one hundred ninety-eight".