Base | Representation |
---|---|
bin | 101010011001… |
… | …1010011100111 |
3 | 1112211102011111 |
4 | 1110303103213 |
5 | 21142331442 |
6 | 2112245451 |
7 | 356645134 |
oct | 124632347 |
9 | 45742144 |
10 | 22230247 |
11 | 11603a06 |
12 | 7540887 |
13 | 47b45c0 |
14 | 2d4958b |
15 | 1e41b17 |
hex | 15334e7 |
22230247 has 8 divisors (see below), whose sum is σ = 25200560. Its totient is φ = 19440000.
The previous prime is 22230227. The next prime is 22230251. The reversal of 22230247 is 74203222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22230247 - 27 = 22230119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22230227) 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, 44754 + ... + 45247.
It is an arithmetic number, because the mean of its divisors is an integer number (3150070).
Almost surely, 222230247 is an apocalyptic number.
22230247 is a deficient number, since it is larger than the sum of its proper divisors (2970313).
22230247 is a wasteful number, since it uses less digits than its factorization.
22230247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90033.
The product of its (nonzero) digits is 1344, while the sum is 22.
The square root of 22230247 is about 4714.8962873005. The cubic root of 22230247 is about 281.1780594930.
Adding to 22230247 its reverse (74203222), we get a palindrome (96433469).
The spelling of 22230247 in words is "twenty-two million, two hundred thirty thousand, two hundred forty-seven".
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