Base | Representation |
---|---|
bin | 1000010001110001… |
… | …1000010010010101 |
3 | 12201212010220220021 |
4 | 2010130120102111 |
5 | 14022320011041 |
6 | 1004253505141 |
7 | 106030650316 |
oct | 20434302225 |
9 | 5655126807 |
10 | 2222032021 |
11 | a40308600 |
12 | 5201a21b1 |
13 | 295476961 |
14 | 17117460d |
15 | d011ecd1 |
hex | 84718495 |
2222032021 has 12 divisors (see below), whose sum is σ = 2443637196. Its totient is φ = 2019005120.
The previous prime is 2222032013. The next prime is 2222032031. The reversal of 2222032021 is 1202302222.
It can be written as a sum of positive squares in 2 ways, for example, as 212751396 + 2009280625 = 14586^2 + 44825^2 .
It is not a de Polignac number, because 2222032021 - 23 = 2222032013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2222031986 and 2222032004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222032031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340041 + ... + 346513.
It is an arithmetic number, because the mean of its divisors is an integer number (203636433).
Almost surely, 22222032021 is an apocalyptic number.
It is an amenable number.
2222032021 is a deficient number, since it is larger than the sum of its proper divisors (221605175).
2222032021 is a wasteful number, since it uses less digits than its factorization.
2222032021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9332 (or 9321 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2222032021 is about 47138.4346473236. The cubic root of 2222032021 is about 1304.9186486969.
Adding to 2222032021 its reverse (1202302222), we get a palindrome (3424334243).
The spelling of 2222032021 in words is "two billion, two hundred twenty-two million, thirty-two thousand, twenty-one".
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