It is a happy number.
It is a harmonic number, since the harmonic mean of its divisors is an integer.
It is a congruent number.
It is an unprimeable number.
22290260 is an apocalyptic number.
2290260 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 2290260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2290260 is a wasteful number, since it uses less digits than its factorization.
2290260 is an evil number, because the sum of its binary digits is even.
The square root of 2290260 is about 1513.3604990220. The cubic root of 2290260 is about 131.8140172359.
The spelling of 2290260 in words is "two million, two hundred ninety thousand, two hundred sixty".