Base | Representation |
---|---|
bin | 1110100100010… |
… | …10010010000110 |
3 | 22111221110120012 |
4 | 13102022102012 |
5 | 222240414342 |
6 | 20043110222 |
7 | 3012456533 |
oct | 722122206 |
9 | 274843505 |
10 | 122201222 |
11 | 62a85650 |
12 | 34b12372 |
13 | 1c417b20 |
14 | 1232dd8a |
15 | aadcb82 |
hex | 748a486 |
122201222 has 32 divisors (see below), whose sum is σ = 219953664. Its totient is φ = 50176800.
The previous prime is 122201221. The next prime is 122201237. The reversal of 122201222 is 222102221.
It is a junction number, because it is equal to n+sod(n) for n = 122201197 and 122201206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122201221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8897 + ... + 17987.
It is an arithmetic number, because the mean of its divisors is an integer number (6873552).
Almost surely, 2122201222 is an apocalyptic number.
122201222 is a deficient number, since it is larger than the sum of its proper divisors (97752442).
122201222 is a wasteful number, since it uses less digits than its factorization.
122201222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9164.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 122201222 is about 11054.4661562646. The cubic root of 122201222 is about 496.2400930710.
Adding to 122201222 its reverse (222102221), we get a palindrome (344303443).
Subtracting 122201222 from its reverse (222102221), we obtain a palindrome (99900999).
The spelling of 122201222 in words is "one hundred twenty-two million, two hundred one thousand, two hundred twenty-two".
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