It is an unprimeable number.
22249320 is an apocalyptic number.
2249320 is a gapful number since it is divisible by the number (20) 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 2249320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2249320 is a wasteful number, since it uses less digits than its factorization.
2249320 is an evil number, because the sum of its binary digits is even.
The square root of 2249320 is about 1499.7733162048. The cubic root of 2249320 is about 131.0238676089.
The spelling of 2249320 in words is "two million, two hundred forty-nine thousand, three hundred twenty".