Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1011111110111001 |
3 | 12202111102211110022 |
4 | 2010333123332321 |
5 | 14032143102301 |
6 | 1005222500225 |
7 | 106202034665 |
oct | 20477337671 |
9 | 5674384408 |
10 | 2231222201 |
11 | a4551529a |
12 | 523294675 |
13 | 297343a30 |
14 | 1724878a5 |
15 | d0d37d1b |
hex | 84fdbfb9 |
2231222201 has 8 divisors (see below), whose sum is σ = 2433271680. Its totient is φ = 2033518032.
The previous prime is 2231222183. The next prime is 2231222207. The reversal of 2231222201 is 1022221322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2231222201 is a prime.
It is a super-3 number, since 3×22312222013 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2231222201.
It is not an unprimeable number, because it can be changed into a prime (2231222207) 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, 1085255 + ... + 1087308.
It is an arithmetic number, because the mean of its divisors is an integer number (304158960).
Almost surely, 22231222201 is an apocalyptic number.
It is an amenable number.
2231222201 is a deficient number, since it is larger than the sum of its proper divisors (202049479).
2231222201 is a wasteful number, since it uses less digits than its factorization.
2231222201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2172655.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2231222201 is about 47235.8148124916. The cubic root of 2231222201 is about 1306.7151937399.
Adding to 2231222201 its reverse (1022221322), we get a palindrome (3253443523).
The spelling of 2231222201 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred one".
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