Base | Representation |
---|---|
bin | 100100011010111… |
… | …0000100110000000 |
3 | 10011011111200111111 |
4 | 1020311300212000 |
5 | 10000321132344 |
6 | 321132453104 |
7 | 42166162321 |
oct | 11065604600 |
9 | 3134450444 |
10 | 1222052224 |
11 | 5778a8a18 |
12 | 2a131a194 |
13 | 166245a33 |
14 | b8430448 |
15 | 72444834 |
hex | 48d70980 |
1222052224 has 32 divisors (see below), whose sum is σ = 2436445440. Its totient is φ = 610552320.
The previous prime is 1222052207. The next prime is 1222052297. The reversal of 1222052224 is 4222502221.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 1222052195 and 1222052204.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209994 + ... + 215734.
It is an arithmetic number, because the mean of its divisors is an integer number (76138920).
Almost surely, 21222052224 is an apocalyptic number.
It is an amenable number.
1222052224 is a deficient number, since it is larger than the sum of its proper divisors (1214393216).
1222052224 is an equidigital number, since it uses as much as digits as its factorization.
1222052224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7418 (or 7406 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 22.
The square root of 1222052224 is about 34957.8635502801. The cubic root of 1222052224 is about 1069.1285372335.
Adding to 1222052224 its reverse (4222502221), we get a palindrome (5444554445).
The spelling of 1222052224 in words is "one billion, two hundred twenty-two million, fifty-two thousand, two hundred twenty-four".
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