2230000 has 50 divisors (see below), whose sum is σ = 5423264. Its totient is φ = 888000.
The previous prime is 2229991. The next prime is 2230001. The reversal of 2230000 is 322.
It is a tau number, because it is divible by the number of its divisors (50).
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230001) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9889 + ... + 10111.
22230000 is an apocalyptic number.
2230000 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 2230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711632).
2230000 is an abundant number, since it is smaller than the sum of its proper divisors (3193264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2230000 is an equidigital number, since it uses as much as digits as its factorization.
2230000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251 (or 230 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 7.
The square root of 2230000 is about 1493.3184523068. The cubic root of 2230000 is about 130.6476556172.
Adding to 2230000 its reverse (322), we get a palindrome (2230322).
The spelling of 2230000 in words is "two million, two hundred thirty thousand".
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