22198113 has 48 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 12089088.

The previous prime is 22198093. The next prime is 22198117. The reversal of 22198113 is 31189122.

It is not a de Polignac number, because 22198113 - 2⁹ = 22197601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22198117) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 207406 + ... + 207512.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^22198113 is an apocalyptic number.

It is an amenable number.

22198113 is a deficient number, since it is larger than the sum of its proper divisors (16215327).

22198113 is a wasteful number, since it uses less digits than its factorization.

22198113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 22198113 is about 4711.4873447777. The cubic root of 22198113 is about 281.0425124486.

It can be divided in two parts, 22 and 198113, that added together give a triangular number (198135 = T₆₂₉).

The spelling of 22198113 in words is "twenty-two million, one hundred ninety-eight thousand, one hundred thirteen".