Base | Representation |
---|---|
bin | 1000010001110110… |
… | …0011110001011100 |
3 | 12201212201122000210 |
4 | 2010131203301130 |
5 | 14022404404322 |
6 | 1004304252420 |
7 | 106033405620 |
oct | 20435436134 |
9 | 5655648023 |
10 | 2222341212 |
11 | a404a9933 |
12 | 520311110 |
13 | 295554600 |
14 | 171215180 |
15 | d018170c |
hex | 84763c5c |
2222341212 has 144 divisors (see below), whose sum is σ = 6592169472. Its totient is φ = 570136320.
The previous prime is 2222341211. The next prime is 2222341229. The reversal of 2222341212 is 2121432222.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222341211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 523137 + ... + 527367.
Almost surely, 22222341212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222341212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3296084736).
2222341212 is an abundant number, since it is smaller than the sum of its proper divisors (4369828260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222341212 is a wasteful number, since it uses less digits than its factorization.
2222341212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4308 (or 4293 counting only the distinct ones).
The product of its digits is 768, while the sum is 21.
The square root of 2222341212 is about 47141.7141393904. The cubic root of 2222341212 is about 1304.9791714354.
Adding to 2222341212 its reverse (2121432222), we get a palindrome (4343773434).
It can be divided in two parts, 222234 and 1212, that added together give a triangular number (223446 = T668).
The spelling of 2222341212 in words is "two billion, two hundred twenty-two million, three hundred forty-one thousand, two hundred twelve".
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