Base | Representation |
---|---|
bin | 100100011011001… |
… | …0111001001010100 |
3 | 10011011210201002221 |
4 | 1020312113021110 |
5 | 10000341211012 |
6 | 321140112124 |
7 | 42200420563 |
oct | 11066271124 |
9 | 3134721087 |
10 | 1222210132 |
11 | 5779a6620 |
12 | 2a1395644 |
13 | 16629c880 |
14 | b8471bda |
15 | 72476507 |
hex | 48d97254 |
1222210132 has 24 divisors (see below), whose sum is σ = 2512796832. Its totient is φ = 512815200.
The previous prime is 1222210127. The next prime is 1222210151. The reversal of 1222210132 is 2310122221.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067794 + ... + 1068937.
It is an arithmetic number, because the mean of its divisors is an integer number (104699868).
Almost surely, 21222210132 is an apocalyptic number.
It is an amenable number.
1222210132 is an abundant number, since it is smaller than the sum of its proper divisors (1290586700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222210132 is a wasteful number, since it uses less digits than its factorization.
1222210132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2136759 (or 2136757 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1222210132 is about 34960.1220249587. The cubic root of 1222210132 is about 1069.1745845504.
Adding to 1222210132 its reverse (2310122221), we get a palindrome (3532332353).
The spelling of 1222210132 in words is "one billion, two hundred twenty-two million, two hundred ten thousand, one hundred thirty-two".
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