Base | Representation |
---|---|
bin | 1000010011101011… |
… | …1011111001101101 |
3 | 12202102012212211100 |
4 | 2010322323321231 |
5 | 14031342322341 |
6 | 1005141313313 |
7 | 106156021551 |
oct | 20472737155 |
9 | 5672185740 |
10 | 2230042221 |
11 | a44889800 |
12 | 522a05839 |
13 | 29701c914 |
14 | 17225b861 |
15 | d0ba33b6 |
hex | 84ebbe6d |
2230042221 has 36 divisors (see below), whose sum is σ = 3623043424. Its totient is φ = 1320081840.
The previous prime is 2230042181. The next prime is 2230042237. The reversal of 2230042221 is 1222400322.
2230042221 is a `hidden beast` number, since 223 + 0 + 0 + 422 + 21 = 666.
It is not a de Polignac number, because 2230042221 - 217 = 2229911149 is a prime.
It is a super-2 number, since 2×22300422212 = 9946176614885225682, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2230042194 and 2230042203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2230042121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23016 + ... + 70638.
Almost surely, 22230042221 is an apocalyptic number.
It is an amenable number.
2230042221 is a deficient number, since it is larger than the sum of its proper divisors (1393001203).
2230042221 is a wasteful number, since it uses less digits than its factorization.
2230042221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47694 (or 47680 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2230042221 is about 47223.3228500494. The cubic root of 2230042221 is about 1306.4848013740.
Adding to 2230042221 its reverse (1222400322), we get a palindrome (3452442543).
The spelling of 2230042221 in words is "two billion, two hundred thirty million, forty-two thousand, two hundred twenty-one".
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