Base | Representation |
---|---|
bin | 1110100100011… |
… | …11011010000110 |
3 | 22111222112100200 |
4 | 13102033122012 |
5 | 222242102324 |
6 | 20043351330 |
7 | 3012604662 |
oct | 722173206 |
9 | 274875320 |
10 | 122222214 |
11 | 62a9a3a4 |
12 | 34b22546 |
13 | 1c42454a |
14 | 123378a2 |
15 | aae3ec9 |
hex | 748f686 |
122222214 has 48 divisors (see below), whose sum is σ = 282625200. Its totient is φ = 38039040.
The previous prime is 122222209. The next prime is 122222239. The reversal of 122222214 is 412222221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38562 + ... + 41610.
It is an arithmetic number, because the mean of its divisors is an integer number (5888025).
Almost surely, 2122222214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122222214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141312600).
122222214 is an abundant number, since it is smaller than the sum of its proper divisors (160402986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122222214 is a wasteful number, since it uses less digits than its factorization.
122222214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3205 (or 3202 counting only the distinct ones).
The product of its digits is 256, while the sum is 18.
The square root of 122222214 is about 11055.4155959873. The cubic root of 122222214 is about 496.2685065228.
Adding to 122222214 its reverse (412222221), we get a palindrome (534444435).
It can be divided in two parts, 12222221 and 4, that multiplied together give a palindrome (48888884).
The spelling of 122222214 in words is "one hundred twenty-two million, two hundred twenty-two thousand, two hundred fourteen".
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