Base | Representation |
---|---|
bin | 100100010111100… |
… | …1100001011101110 |
3 | 10011001021012100122 |
4 | 1020233030023232 |
5 | 4444401031342 |
6 | 321031524542 |
7 | 42145431026 |
oct | 11057141356 |
9 | 3131235318 |
10 | 1220330222 |
11 | 576932181 |
12 | 2a0829752 |
13 | 165a91cb7 |
14 | b8102a86 |
15 | 722044d2 |
hex | 48bcc2ee |
1220330222 has 8 divisors (see below), whose sum is σ = 1853666400. Its totient is φ = 602441424.
The previous prime is 1220330213. The next prime is 1220330311. The reversal of 1220330222 is 2220330221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1220330222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3861647 + ... + 3861962.
It is an arithmetic number, because the mean of its divisors is an integer number (231708300).
Almost surely, 21220330222 is an apocalyptic number.
1220330222 is a deficient number, since it is larger than the sum of its proper divisors (633336178).
1220330222 is an equidigital number, since it uses as much as digits as its factorization.
1220330222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7723690.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 1220330222 is about 34933.2251874916. The cubic root of 1220330222 is about 1068.6261291088.
Adding to 1220330222 its reverse (2220330221), we get a palindrome (3440660443).
Subtracting 1220330222 from its reverse (2220330221), we obtain a palindrome (999999999).
The spelling of 1220330222 in words is "one billion, two hundred twenty million, three hundred thirty thousand, two hundred twenty-two".
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