225201 has 8 divisors (see below), whose sum is σ = 302464. Its totient is φ = 149040.
The previous prime is 225167. The next prime is 225217. The reversal of 225201 is 102522.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 225201 - 210 = 224177 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (225221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675 + ... + 951.
It is an arithmetic number, because the mean of its divisors is an integer number (37808).
2225201 is an apocalyptic number.
It is an amenable number.
225201 is a deficient number, since it is larger than the sum of its proper divisors (77263).
225201 is a wasteful number, since it uses less digits than its factorization.
225201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551.
The product of its (nonzero) digits is 40, while the sum is 12.
The square root of 225201 is about 474.5534743314. The cubic root of 225201 is about 60.8401260112.
Adding to 225201 its reverse (102522), we get a palindrome (327723).
The spelling of 225201 in words is "two hundred twenty-five thousand, two hundred one".
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