Base | Representation |
---|---|
bin | 11010101000100… |
… | …10011100010111 |
3 | 120120102000200110 |
4 | 31110102130113 |
5 | 424144002411 |
6 | 34100414103 |
7 | 5352025524 |
oct | 1524223427 |
9 | 516360613 |
10 | 223422231 |
11 | 10513047a |
12 | 629a7333 |
13 | 37398306 |
14 | 2195c14b |
15 | 149342a6 |
hex | d512717 |
223422231 has 8 divisors (see below), whose sum is σ = 299409264. Its totient is φ = 148191680.
The previous prime is 223422229. The next prime is 223422259. The reversal of 223422231 is 132224322.
223422231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 223422231 - 21 = 223422229 is a prime.
It is a super-2 number, since 2×2234222312 = 99834986610034722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 223422198 and 223422207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223422271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188430 + ... + 189611.
It is an arithmetic number, because the mean of its divisors is an integer number (37426158).
Almost surely, 2223422231 is an apocalyptic number.
223422231 is a deficient number, since it is larger than the sum of its proper divisors (75987033).
223422231 is a wasteful number, since it uses less digits than its factorization.
223422231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378241.
The product of its digits is 1152, while the sum is 21.
The square root of 223422231 is about 14947.3151769808. The cubic root of 223422231 is about 606.7951879558.
Adding to 223422231 its reverse (132224322), we get a palindrome (355646553).
The spelling of 223422231 in words is "two hundred twenty-three million, four hundred twenty-two thousand, two hundred thirty-one".
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