224501 has 2 divisors, whose sum is σ = 224502. Its totient is φ = 224500.
The previous prime is 224491. The next prime is 224513. The reversal of 224501 is 105422.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 184900 + 39601 = 430^2 + 199^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-224501 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a plaindrome in base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (224591) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112250 + 112251.
It is an arithmetic number, because the mean of its divisors is an integer number (112251).
2224501 is an apocalyptic number.
It is an amenable number.
224501 is a deficient number, since it is larger than the sum of its proper divisors (1).
224501 is an equidigital number, since it uses as much as digits as its factorization.
224501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 224501 is about 473.8153648838. The cubic root of 224501 is about 60.7770234338. Note that the first 3 decimals are identical.
Adding to 224501 its reverse (105422), we get a palindrome (329923).
The spelling of 224501 in words is "two hundred twenty-four thousand, five hundred one".
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