225246 has 32 divisors (see below), whose sum is σ = 534528. Its totient is φ = 61920.
The previous prime is 225241. The next prime is 225257. The reversal of 225246 is 642522.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216 + ... + 1388.
It is an arithmetic number, because the mean of its divisors is an integer number (16704).
2225246 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 225246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267264).
225246 is an abundant number, since it is smaller than the sum of its proper divisors (309282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225246 is a wasteful number, since it uses less digits than its factorization.
225246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216.
The product of its digits is 960, while the sum is 21.
The square root of 225246 is about 474.6008849549. The cubic root of 225246 is about 60.8441781295.
Adding to 225246 its reverse (642522), we get a palindrome (867768).
The spelling of 225246 in words is "two hundred twenty-five thousand, two hundred forty-six".
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