Base | Representation |
---|---|
bin | 100100011010110… |
… | …0111010100001110 |
3 | 10011011102202101000 |
4 | 1020311213110032 |
5 | 10000313423342 |
6 | 321132001130 |
7 | 42165643452 |
oct | 11065472416 |
9 | 3134382330 |
10 | 1222014222 |
11 | 577882410 |
12 | 2a13001a6 |
13 | 166231650 |
14 | b8420662 |
15 | 7243844c |
hex | 48d6750e |
1222014222 has 128 divisors (see below), whose sum is σ = 3358656000. Its totient is φ = 323792640.
The previous prime is 1222014197. The next prime is 1222014253. The reversal of 1222014222 is 2224102221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1222014195 and 1222014204.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142554 + ... + 150882.
It is an arithmetic number, because the mean of its divisors is an integer number (26239500).
Almost surely, 21222014222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1222014222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679328000).
1222014222 is an abundant number, since it is smaller than the sum of its proper divisors (2136641778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222014222 is a wasteful number, since it uses less digits than its factorization.
1222014222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8383 (or 8377 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 1222014222 is about 34957.3200059730. The cubic root of 1222014222 is about 1069.1174549346.
Adding to 1222014222 its reverse (2224102221), we get a palindrome (3446116443).
The spelling of 1222014222 in words is "one billion, two hundred twenty-two million, fourteen thousand, two hundred twenty-two".
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