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224441 = 732063
BaseRepresentation
bin110110110010111001
3102101212122
4312302321
524140231
64451025
71623230
oct666271
9371778
10224441
11143698
12a9a75
137b209
145bb17
154677b
hex36cb9

224441 has 4 divisors (see below), whose sum is σ = 256512. Its totient is φ = 192372.

The previous prime is 224429. The next prime is 224443. The reversal of 224441 is 144422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144422 = 272211.

It is a cyclic number.

It is not a de Polignac number, because 224441 - 214 = 208057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 224441.

It is not an unprimeable number, because it can be changed into a prime (224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16025 + ... + 16038.

It is an arithmetic number, because the mean of its divisors is an integer number (64128).

2224441 is an apocalyptic number.

It is an amenable number.

224441 is a deficient number, since it is larger than the sum of its proper divisors (32071).

224441 is an equidigital number, since it uses as much as digits as its factorization.

224441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070.

The product of its digits is 256, while the sum is 17.

The square root of 224441 is about 473.7520448505. The cubic root of 224441 is about 60.7716085413.

Adding to 224441 its reverse (144422), we get a palindrome (368863).

The spelling of 224441 in words is "two hundred twenty-four thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 7 32063 224441