Base | Representation |
---|---|
bin | 1000010001111010… |
… | …01011010101001111 |
3 | 102110210110200112010 |
4 | 10020331023111033 |
5 | 33100434102343 |
6 | 2013032312303 |
7 | 215104523361 |
oct | 41075132517 |
9 | 12423420463 |
10 | 4445222223 |
11 | 1981237282 |
12 | a40842693 |
13 | 55ac37810 |
14 | 30252ad31 |
15 | 1b03bcd33 |
hex | 108f4b54f |
4445222223 has 16 divisors (see below), whose sum is σ = 6531324800. Its totient is φ = 2671903584.
The previous prime is 4445222207. The next prime is 4445222227. The reversal of 4445222223 is 3222225444.
It is not a de Polignac number, because 4445222223 - 24 = 4445222207 is a prime.
It is a super-2 number, since 2×44452222232 = 39520001223706123458, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4445222227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323673 + ... + 1327026.
It is an arithmetic number, because the mean of its divisors is an integer number (408207800).
Almost surely, 24445222223 is an apocalyptic number.
4445222223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.
4445222223 is a deficient number, since it is larger than the sum of its proper divisors (2086102577).
4445222223 is a wasteful number, since it uses less digits than its factorization.
4445222223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2650758.
The product of its digits is 30720, while the sum is 30.
The square root of 4445222223 is about 66672.4997506468. The cubic root of 4445222223 is about 1644.2372856361.
Adding to 4445222223 its reverse (3222225444), we get a palindrome (7667447667).
The spelling of 4445222223 in words is "four billion, four hundred forty-five million, two hundred twenty-two thousand, two hundred twenty-three".
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