Base | Representation |
---|---|
bin | 1110100010111… |
… | …10100101001110 |
3 | 22111121101000120 |
4 | 13101132211032 |
5 | 222214202342 |
6 | 20035205410 |
7 | 3011112630 |
oct | 721364516 |
9 | 274541016 |
10 | 122022222 |
11 | 62973113 |
12 | 34a46866 |
13 | 1c3844ca |
14 | 122c4a50 |
15 | aaa4aec |
hex | 745e94e |
122022222 has 32 divisors (see below), whose sum is σ = 291036672. Its totient is φ = 33347424.
The previous prime is 122022221. The next prime is 122022247. The reversal of 122022222 is 222220221.
122022222 is a modest number, since divided by 22222 gives 1220 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122022221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62193 + ... + 64124.
It is an arithmetic number, because the mean of its divisors is an integer number (9094896).
Almost surely, 2122022222 is an apocalyptic number.
122022222 is an abundant number, since it is smaller than the sum of its proper divisors (169014450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122022222 is a wasteful number, since it uses less digits than its factorization.
122022222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126352.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 122022222 is about 11046.3669140582. The cubic root of 122022222 is about 495.9976776469.
Adding to 122022222 its reverse (222220221), we get a palindrome (344242443).
The spelling of 122022222 in words is "one hundred twenty-two million, twenty-two thousand, two hundred twenty-two".
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