Base | Representation |
---|---|
bin | 101010011011… |
… | …0001110010001 |
3 | 1112212000112221 |
4 | 1110312032101 |
5 | 21143222233 |
6 | 2112421041 |
7 | 360025021 |
oct | 124661621 |
9 | 45760487 |
10 | 22242193 |
11 | 11611986 |
12 | 7547781 |
13 | 47b9b7c |
14 | 2d4da81 |
15 | 1e4542d |
hex | 1536391 |
22242193 has 2 divisors, whose sum is σ = 22242194. Its totient is φ = 22242192.
The previous prime is 22242167. The next prime is 22242203. The reversal of 22242193 is 39124222.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21455424 + 786769 = 4632^2 + 887^2 .
It is a cyclic number.
It is not a de Polignac number, because 22242193 - 25 = 22242161 is a prime.
It is not a weakly prime, because it can be changed into another prime (22242793) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121096 + 11121097.
It is an arithmetic number, because the mean of its divisors is an integer number (11121097).
Almost surely, 222242193 is an apocalyptic number.
It is an amenable number.
22242193 is a deficient number, since it is larger than the sum of its proper divisors (1).
22242193 is an equidigital number, since it uses as much as digits as its factorization.
22242193 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 25.
The square root of 22242193 is about 4716.1629530795. The cubic root of 22242193 is about 281.2284165824.
It can be divided in two parts, 2224219 and 3, that added together give a palindrome (2224222).
The spelling of 22242193 in words is "twenty-two million, two hundred forty-two thousand, one hundred ninety-three".
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