It is a congruent number.
Almost surely, 22251722200 is an apocalyptic number.
2251722200 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 2251722200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354785280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2251722200 is a wasteful number, since it uses less digits than its factorization.
2251722200 is an odious number, because the sum of its binary digits is odd.
The square root of 2251722200 is about 47452.3150120202. The cubic root of 2251722200 is about 1310.7049407901.
Adding to 2251722200 its reverse (22271522), we get a palindrome (2273993722).
The spelling of 2251722200 in words is "two billion, two hundred fifty-one million, seven hundred twenty-two thousand, two hundred".