It is an unprimeable number.
Almost surely, 2219298408 is an apocalyptic number.
219298408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219298408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243777600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219298408 is a wasteful number, since it uses less digits than its factorization.
219298408 is an evil number, because the sum of its binary digits is even.
The square root of 219298408 is about 14808.7274267575. The cubic root of 219298408 is about 603.0386663470.
The spelling of 219298408 in words is "two hundred nineteen million, two hundred ninety-eight thousand, four hundred eight".