Base | Representation |
---|---|
bin | 100000010101100110001… |
… | …010111000010001110110 |
3 | 21212102220210100020002010 |
4 | 200111212022320101312 |
5 | 242402042312020042 |
6 | 4420511544025050 |
7 | 316356330132024 |
oct | 40254612702166 |
9 | 7772823306063 |
10 | 2222212220022 |
11 | 787486957713 |
12 | 2ba81a462186 |
13 | 13172767a9b2 |
14 | 797ac995714 |
15 | 3cc1150059c |
hex | 205662b8476 |
2222212220022 has 64 divisors (see below), whose sum is σ = 4718079590400. Its totient is φ = 696652941600.
The previous prime is 2222212220017. The next prime is 2222212220029. The reversal of 2222212220022 is 2200222122222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222212220029) 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, 893497 + ... + 2289707.
It is an arithmetic number, because the mean of its divisors is an integer number (73719993600).
Almost surely, 22222212220022 is an apocalyptic number.
2222212220022 is an abundant number, since it is smaller than the sum of its proper divisors (2495867370378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222212220022 is a wasteful number, since it uses less digits than its factorization.
2222212220022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396489.
The product of its (nonzero) digits is 1024, while the sum is 21.
Adding to 2222212220022 its reverse (2200222122222), we get a palindrome (4422434342244).
It can be divided in two parts, 22222122200 and 22, that added together give a palindrome (22222122222).
The spelling of 2222212220022 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, twenty-two".
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