It is a happy number.
It is a congruent number.
It is an unprimeable number.
22508198 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2508198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2508198 is a wasteful number, since it uses less digits than its factorization.
2508198 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173.
The square root of 2508198 is about 1583.7291435091. The cubic root of 2508198 is about 135.8690709367.
The spelling of 2508198 in words is "two million, five hundred eight thousand, one hundred ninety-eight".