Base | Representation |
---|---|
bin | 1000010001100101… |
… | …0101100000101111 |
3 | 12201210122101112012 |
4 | 2010121111200233 |
5 | 14022113443343 |
6 | 1004224431435 |
7 | 106021115345 |
oct | 20431254057 |
9 | 5653571465 |
10 | 2221234223 |
11 | a3a91316a |
12 | 51ba7857b |
13 | 2952577a0 |
14 | 171007995 |
15 | d0013718 |
hex | 8465582f |
2221234223 has 8 divisors (see below), whose sum is σ = 2496103008. Its totient is φ = 1961223264.
The previous prime is 2221234189. The next prime is 2221234247. The reversal of 2221234223 is 3224321222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2221234223 - 214 = 2221217839 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221234123) 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, 3714140 + ... + 3714737.
It is an arithmetic number, because the mean of its divisors is an integer number (312012876).
Almost surely, 22221234223 is an apocalyptic number.
2221234223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2221234223 is a deficient number, since it is larger than the sum of its proper divisors (274868785).
2221234223 is a wasteful number, since it uses less digits than its factorization.
2221234223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7428913.
The product of its digits is 2304, while the sum is 23.
The square root of 2221234223 is about 47129.9715998217. The cubic root of 2221234223 is about 1304.7624574123.
Adding to 2221234223 its reverse (3224321222), we get a palindrome (5445555445).
The spelling of 2221234223 in words is "two billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred twenty-three".
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