Base | Representation |
---|---|
bin | 1000010001110001… |
… | …0101101001011110 |
3 | 12201212010101002000 |
4 | 2010130111221132 |
5 | 14022314134324 |
6 | 1004253343130 |
7 | 106030603650 |
oct | 20434255136 |
9 | 5655111060 |
10 | 2222021214 |
11 | a40300476 |
12 | 520197aa6 |
13 | 295471a6a |
14 | 1711706d0 |
15 | d011b9c9 |
hex | 84715a5e |
2222021214 has 128 divisors (see below), whose sum is σ = 5936578560. Its totient is φ = 602316000.
The previous prime is 2222021213. The next prime is 2222021233. The reversal of 2222021214 is 4121202222.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222021213) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1137939 + ... + 1139889.
It is an arithmetic number, because the mean of its divisors is an integer number (46379520).
Almost surely, 22222021214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2222021214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968289280).
2222021214 is an abundant number, since it is smaller than the sum of its proper divisors (3714557346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222021214 is a wasteful number, since it uses less digits than its factorization.
2222021214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2123 (or 2117 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 2222021214 is about 47138.3200167337. The cubic root of 2222021214 is about 1304.9165331740.
Adding to 2222021214 its reverse (4121202222), we get a palindrome (6343223436).
It can be divided in two parts, 22220 and 21214, that added together give a palindrome (43434).
The spelling of 2222021214 in words is "two billion, two hundred twenty-two million, twenty-one thousand, two hundred fourteen".
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