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224421223 = 1317263171
BaseRepresentation
bin11010110000001…
…10010101100111
3120122021210001011
431120012111213
5424422434343
634134043051
75363356165
oct1530062547
9518253034
10224421223
11105752a94
12631a9487
1337657c30
1421b3c235
1514a8029d
hexd606567

224421223 has 4 divisors (see below), whose sum is σ = 241684408. Its totient is φ = 207158040.

The previous prime is 224421221. The next prime is 224421247. The reversal of 224421223 is 322124422.

224421223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224421223 - 21 = 224421221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224421194 and 224421203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224421221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8631573 + ... + 8631598.

It is an arithmetic number, because the mean of its divisors is an integer number (60421102).

Almost surely, 2224421223 is an apocalyptic number.

224421223 is a deficient number, since it is larger than the sum of its proper divisors (17263185).

224421223 is a wasteful number, since it uses less digits than its factorization.

224421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17263184.

The product of its digits is 1536, while the sum is 22.

The square root of 224421223 is about 14980.6950105794. The cubic root of 224421223 is about 607.6982349107.

Adding to 224421223 its reverse (322124422), we get a palindrome (546545645).

The spelling of 224421223 in words is "two hundred twenty-four million, four hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 13 17263171 224421223