Base | Representation |
---|---|
bin | 1000010110110001… |
… | …1100110110001110 |
3 | 12210022122100001010 |
4 | 2011230130312032 |
5 | 14043203202342 |
6 | 1010323430050 |
7 | 106404242250 |
oct | 20554346616 |
9 | 5708570033 |
10 | 2243022222 |
11 | a51144881 |
12 | 527225326 |
13 | 2999159ac |
14 | 173c79cd0 |
15 | d1db929c |
hex | 85b1cd8e |
2243022222 has 32 divisors (see below), whose sum is σ = 5223647232. Its totient is φ = 628771104.
The previous prime is 2243022209. The next prime is 2243022259. The reversal of 2243022222 is 2222203422.
2243022222 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×22430222222 = 10062297376771634568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501598 + ... + 506049.
It is an arithmetic number, because the mean of its divisors is an integer number (163238976).
Almost surely, 22243022222 is an apocalyptic number.
2243022222 is an abundant number, since it is smaller than the sum of its proper divisors (2980625010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2243022222 is a wasteful number, since it uses less digits than its factorization.
2243022222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1007712.
The product of its (nonzero) digits is 1536, while the sum is 21.
The square root of 2243022222 is about 47360.5555499511. Note that the first 4 decimals coincide. The cubic root of 2243022222 is about 1309.0147053767.
Adding to 2243022222 its reverse (2222203422), we get a palindrome (4465225644).
The spelling of 2243022222 in words is "two billion, two hundred forty-three million, twenty-two thousand, two hundred twenty-two".
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