22338198 has 48 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 7021872.

The previous prime is 22338191. The next prime is 22338223. The reversal of 22338198 is 89183322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22338191) 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 23 ways as a sum of consecutive naturals, for example, 32365 + ... + 33047.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^22338198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22338198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25608960).

22338198 is an abundant number, since it is smaller than the sum of its proper divisors (28879722).

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

22338198 is a wasteful number, since it uses less digits than its factorization.

22338198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 22338198 is about 4726.3302889240. The cubic root of 22338198 is about 281.6324621856.

The spelling of 22338198 in words is "twenty-two million, three hundred thirty-eight thousand, one hundred ninety-eight".