Base | Representation |
---|---|
bin | 100000010101110010101… |
… | …111011010000100101100 |
3 | 21212110110111012011111122 |
4 | 200111302233122010230 |
5 | 242403010304402340 |
6 | 4420544520240112 |
7 | 316364500564160 |
oct | 40256257320454 |
9 | 7773414164448 |
10 | 2222423122220 |
11 | 787584a06654 |
12 | 2ba879010038 |
13 | 13175c2813b2 |
14 | 797cc9b4ca0 |
15 | 3cc24caedb5 |
hex | 20572bda12c |
2222423122220 has 192 divisors, whose sum is σ = 5463474831360. Its totient is φ = 743616986112.
The previous prime is 2222423122219. The next prime is 2222423122237. The reversal of 2222423122220 is 222213242222.
It is a self number, because there is not a number n which added to its sum of digits gives 2222423122220.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1336393109 + ... + 1336394771.
It is an arithmetic number, because the mean of its divisors is an integer number (28455598080).
Almost surely, 22222423122220 is an apocalyptic number.
2222423122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222423122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731737415680).
2222423122220 is an abundant number, since it is smaller than the sum of its proper divisors (3241051709140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222423122220 is a wasteful number, since it uses less digits than its factorization.
2222423122220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2584 (or 2582 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 26.
Adding to 2222423122220 its reverse (222213242222), we get a palindrome (2444636364442).
The spelling of 2222423122220 in words is "two trillion, two hundred twenty-two billion, four hundred twenty-three million, one hundred twenty-two thousand, two hundred twenty".
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