Base | Representation |
---|---|
bin | 1110100100011… |
… | …11000111011110 |
3 | 22111222110201112 |
4 | 13102033013132 |
5 | 222242033042 |
6 | 20043342022 |
7 | 3012601340 |
oct | 722170736 |
9 | 274873645 |
10 | 122221022 |
11 | 62a99510 |
12 | 34b21912 |
13 | 1c423b41 |
14 | 12337290 |
15 | aae3982 |
hex | 748f1de |
122221022 has 32 divisors (see below), whose sum is σ = 236459520. Its totient is φ = 45974880.
The previous prime is 122221019. The next prime is 122221039. The reversal of 122221022 is 220122221.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 122220988 and 122221006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9218 + ... + 18149.
It is an arithmetic number, because the mean of its divisors is an integer number (7389360).
Almost surely, 2122221022 is an apocalyptic number.
122221022 is a deficient number, since it is larger than the sum of its proper divisors (114238498).
122221022 is a wasteful number, since it uses less digits than its factorization.
122221022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27416.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 122221022 is about 11055.3616856257. The cubic root of 122221022 is about 496.2668931937.
Adding to 122221022 its reverse (220122221), we get a palindrome (342343243).
The spelling of 122221022 in words is "one hundred twenty-two million, two hundred twenty-one thousand, twenty-two".
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