Base | Representation |
---|---|
bin | 11010100001000… |
… | …11111010010001 |
3 | 120111120101110011 |
4 | 31100203322101 |
5 | 423421221301 |
6 | 34023434521 |
7 | 5340516166 |
oct | 1520437221 |
9 | 514511404 |
10 | 222445201 |
11 | 104623410 |
12 | 625b5a41 |
13 | 371156a4 |
14 | 2178606d |
15 | 147dea51 |
hex | d423e91 |
222445201 has 16 divisors (see below), whose sum is σ = 247228416. Its totient is φ = 198450000.
The previous prime is 222445193. The next prime is 222445231. The reversal of 222445201 is 102544222.
It is a cyclic number.
It is not a de Polignac number, because 222445201 - 23 = 222445193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (222445231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211126 + ... + 212176.
It is an arithmetic number, because the mean of its divisors is an integer number (15451776).
Almost surely, 2222445201 is an apocalyptic number.
It is an amenable number.
222445201 is a deficient number, since it is larger than the sum of its proper divisors (24783215).
222445201 is a wasteful number, since it uses less digits than its factorization.
222445201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404.
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 222445201 is about 14914.5969104096. The cubic root of 222445201 is about 605.9093862198.
Adding to 222445201 its reverse (102544222), we get a palindrome (324989423).
The spelling of 222445201 in words is "two hundred twenty-two million, four hundred forty-five thousand, two hundred one".
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