Base | Representation |
---|---|
bin | 1110100100011… |
… | …10111010111111 |
3 | 22111222102121221 |
4 | 13102032322333 |
5 | 222242021343 |
6 | 20043334211 |
7 | 3012566116 |
oct | 722167277 |
9 | 274872557 |
10 | 122220223 |
11 | 62a98954 |
12 | 34b21367 |
13 | 1c423678 |
14 | 12336c7d |
15 | aae35ed |
hex | 748eebf |
122220223 has 2 divisors, whose sum is σ = 122220224. Its totient is φ = 122220222.
The previous prime is 122220209. The next prime is 122220227. The reversal of 122220223 is 322022221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 122220223 - 29 = 122219711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 122220197 and 122220206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122220227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110111 + 61110112.
It is an arithmetic number, because the mean of its divisors is an integer number (61110112).
Almost surely, 2122220223 is an apocalyptic number.
122220223 is a deficient number, since it is larger than the sum of its proper divisors (1).
122220223 is an equidigital number, since it uses as much as digits as its factorization.
122220223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 122220223 is about 11055.3255492545. The cubic root of 122220223 is about 496.2658117700.
Adding to 122220223 its reverse (322022221), we get a palindrome (444242444).
The spelling of 122220223 in words is "one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-three".
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