Base | Representation |
---|---|
bin | 1000010110110001… |
… | …1100110110001100 |
3 | 12210022122100001001 |
4 | 2011230130312030 |
5 | 14043203202340 |
6 | 1010323430044 |
7 | 106404242245 |
oct | 20554346614 |
9 | 5708570031 |
10 | 2243022220 |
11 | a5114487a |
12 | 527225324 |
13 | 2999159aa |
14 | 173c79ccc |
15 | d1db929a |
hex | 85b1cd8c |
2243022220 has 12 divisors (see below), whose sum is σ = 4710346704. Its totient is φ = 897208880.
The previous prime is 2243022209. The next prime is 2243022259. The reversal of 2243022220 is 222203422.
It is a happy number.
It is a super-2 number, since 2×22430222202 = 10062297358827456800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56075536 + ... + 56075575.
It is an arithmetic number, because the mean of its divisors is an integer number (392528892).
Almost surely, 22243022220 is an apocalyptic number.
2243022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2243022220 is an abundant number, since it is smaller than the sum of its proper divisors (2467324484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2243022220 is a wasteful number, since it uses less digits than its factorization.
2243022220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112151120 (or 112151118 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 19.
The square root of 2243022220 is about 47360.5555288364. Note that the first 4 decimals coincide. The cubic root of 2243022220 is about 1309.0147049877.
Adding to 2243022220 its reverse (222203422), we get a palindrome (2465225642).
The spelling of 2243022220 in words is "two billion, two hundred forty-three million, twenty-two thousand, two hundred twenty".
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