Base | Representation |
---|---|
bin | 111100010001010… |
… | …0110100111111101 |
3 | 12012221101100212011 |
4 | 1320202212213331 |
5 | 13120204241041 |
6 | 532401411221 |
7 | 101054403205 |
oct | 17042464775 |
9 | 5187340764 |
10 | 2022337021 |
11 | 948613811 |
12 | 485339b11 |
13 | 262c98433 |
14 | 152831405 |
15 | bc825e81 |
hex | 788a69fd |
2022337021 has 4 divisors (see below), whose sum is σ = 2022509692. Its totient is φ = 2022164352.
The previous prime is 2022337003. The next prime is 2022337027. The reversal of 2022337021 is 1207332202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1207332202 = 2 ⋅603666101.
It can be written as a sum of positive squares in 2 ways, for example, as 87216921 + 1935120100 = 9339^2 + 43990^2 .
It is a cyclic number.
It is not a de Polignac number, because 2022337021 - 25 = 2022336989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2022336983 and 2022337001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2022337027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67380 + ... + 92653.
It is an arithmetic number, because the mean of its divisors is an integer number (505627423).
Almost surely, 22022337021 is an apocalyptic number.
It is an amenable number.
2022337021 is a deficient number, since it is larger than the sum of its proper divisors (172671).
2022337021 is a wasteful number, since it uses less digits than its factorization.
2022337021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172670.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 2022337021 is about 44970.4016103926. The cubic root of 2022337021 is about 1264.5941760391.
Adding to 2022337021 its reverse (1207332202), we get a palindrome (3229669223).
The spelling of 2022337021 in words is "two billion, twenty-two million, three hundred thirty-seven thousand, twenty-one".
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