Base | Representation |
---|---|
bin | 100000010101011010001… |
… | …000010100011010001110 |
3 | 21212102101201020200012010 |
4 | 200111122020110122032 |
5 | 242401134104102342 |
6 | 4420435530322050 |
7 | 316351325154120 |
oct | 40253210243216 |
9 | 7772351220163 |
10 | 2222010222222 |
11 | 78739292a78a |
12 | 2ba782889326 |
13 | 1316c487427b |
14 | 7978dc13210 |
15 | 3cbed8ee29c |
hex | 2055a21468e |
2222010222222 has 64 divisors (see below), whose sum is σ = 5181000330240. Its totient is φ = 622124216064.
The previous prime is 2222010222221. The next prime is 2222010222239. The reversal of 2222010222222 is 2222220102222.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222010222221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1225554 + ... + 2438442.
It is an arithmetic number, because the mean of its divisors is an integer number (80953130160).
Almost surely, 22222010222222 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222010222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2590500165120).
2222010222222 is an abundant number, since it is smaller than the sum of its proper divisors (2958990108018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222010222222 is a wasteful number, since it uses less digits than its factorization.
2222010222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1213777.
The product of its (nonzero) digits is 1024, while the sum is 21.
Adding to 2222010222222 its reverse (2222220102222), we get a palindrome (4444230324444).
It can be divided in two parts, 22220102222 and 22, that multiplied together give a palindrome (488842248884).
The spelling of 2222010222222 in words is "two trillion, two hundred twenty-two billion, ten million, two hundred twenty-two thousand, two hundred twenty-two".
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