Base | Representation |
---|---|
bin | 101010011001… |
… | …1010110010111 |
3 | 1112211102102000 |
4 | 1110303112113 |
5 | 21142333143 |
6 | 2112250343 |
7 | 356645505 |
oct | 124632627 |
9 | 45742360 |
10 | 22230423 |
11 | 11604056 |
12 | 75409b3 |
13 | 47b46c7 |
14 | 2d49675 |
15 | 1e41bd3 |
hex | 1533597 |
22230423 has 8 divisors (see below), whose sum is σ = 32934000. Its totient is φ = 14820264.
The previous prime is 22230421. The next prime is 22230463. The reversal of 22230423 is 32403222.
It is not a de Polignac number, because 22230423 - 21 = 22230421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22230396 and 22230405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22230421) 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, 411648 + ... + 411701.
It is an arithmetic number, because the mean of its divisors is an integer number (4116750).
Almost surely, 222230423 is an apocalyptic number.
22230423 is a deficient number, since it is larger than the sum of its proper divisors (10703577).
22230423 is an equidigital number, since it uses as much as digits as its factorization.
22230423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823358 (or 823352 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 22230423 is about 4714.9149515129. The cubic root of 22230423 is about 281.1788015332.
Adding to 22230423 its reverse (32403222), we get a palindrome (54633645).
The spelling of 22230423 in words is "twenty-two million, two hundred thirty thousand, four hundred twenty-three".
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