Base | Representation |
---|---|
bin | 100100011101000… |
… | …1011010000100110 |
3 | 10011020200111200220 |
4 | 1020322023100212 |
5 | 10001120210042 |
6 | 321213345210 |
7 | 42212053656 |
oct | 11072132046 |
9 | 3136614626 |
10 | 1223210022 |
11 | 578519881 |
12 | 2a1798206 |
13 | 16655ca18 |
14 | b8652366 |
15 | 725c28ec |
hex | 48e8b426 |
1223210022 has 32 divisors (see below), whose sum is σ = 2485888512. Its totient is φ = 401173344.
The previous prime is 1223209991. The next prime is 1223210033. The reversal of 1223210022 is 2200123221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1223209983 and 1223210010.
It is a congruent number.
It is an unprimeable number.
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, 532308 + ... + 534600.
It is an arithmetic number, because the mean of its divisors is an integer number (77684016).
Almost surely, 21223210022 is an apocalyptic number.
1223210022 is an abundant number, since it is smaller than the sum of its proper divisors (1262678490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223210022 is a wasteful number, since it uses less digits than its factorization.
1223210022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3692.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1223210022 is about 34974.4195377136. The cubic root of 1223210022 is about 1069.4660689544.
Adding to 1223210022 its reverse (2200123221), we get a palindrome (3423333243).
The spelling of 1223210022 in words is "one billion, two hundred twenty-three million, two hundred ten thousand, twenty-two".
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