Base | Representation |
---|---|
bin | 100100011011001… |
… | …1100000011001011 |
3 | 10011011211201122220 |
4 | 1020312130003023 |
5 | 10000342331334 |
6 | 321140345123 |
7 | 42200533260 |
oct | 11066340313 |
9 | 3134751586 |
10 | 1222230219 |
11 | 577a0a721 |
12 | 2a13a51a3 |
13 | 1662a8a62 |
14 | b8479267 |
15 | 7247c449 |
hex | 48d9c0cb |
1222230219 has 32 divisors (see below), whose sum is σ = 1878589440. Its totient is φ = 692394912.
The previous prime is 1222230209. The next prime is 1222230223. The reversal of 1222230219 is 9120322221.
It is not a de Polignac number, because 1222230219 - 24 = 1222230203 is a prime.
It is a super-2 number, since 2×12222302192 = 2987693416473575922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1222230209) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680834 + ... + 1681560.
It is an arithmetic number, because the mean of its divisors is an integer number (58705920).
Almost surely, 21222230219 is an apocalyptic number.
1222230219 is a deficient number, since it is larger than the sum of its proper divisors (656359221).
1222230219 is a wasteful number, since it uses less digits than its factorization.
1222230219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1319.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 1222230219 is about 34960.4093082447. The cubic root of 1222230219 is about 1069.1804418062.
The spelling of 1222230219 in words is "one billion, two hundred twenty-two million, two hundred thirty thousand, two hundred nineteen".
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