Base | Representation |
---|---|
bin | 10100101101000010… |
… | …010000100010011111 |
3 | 2010101021102111021211 |
4 | 110231002100202133 |
5 | 331011440400411 |
6 | 14113522405251 |
7 | 1414614211141 |
oct | 245502204237 |
9 | 63337374254 |
10 | 22230403231 |
11 | 9478534a83 |
12 | 4384b00827 |
13 | 21337c296a |
14 | 110c5d8c91 |
15 | 8a1991221 |
hex | 52d09089f |
22230403231 has 4 divisors (see below), whose sum is σ = 22342114000. Its totient is φ = 22118692464.
The previous prime is 22230403201. The next prime is 22230403271. The reversal of 22230403231 is 13230403222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13230403222 = 2 ⋅6615201611.
It is a cyclic number.
It is not a de Polignac number, because 22230403231 - 213 = 22230395039 is a prime.
It is a super-2 number, since 2×222304032312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22230403201) 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, 55855086 + ... + 55855483.
It is an arithmetic number, because the mean of its divisors is an integer number (5585528500).
Almost surely, 222230403231 is an apocalyptic number.
22230403231 is a deficient number, since it is larger than the sum of its proper divisors (111710769).
22230403231 is a wasteful number, since it uses less digits than its factorization.
22230403231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111710768.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 22230403231 its reverse (13230403222), we get a palindrome (35460806453).
Subtracting from 22230403231 its reverse (13230403222), we obtain a palindrome (9000000009).
The spelling of 22230403231 in words is "twenty-two billion, two hundred thirty million, four hundred three thousand, two hundred thirty-one".
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