Base | Representation |
---|---|
bin | 100100011011001… |
… | …1110101100100101 |
3 | 10011011212021112110 |
4 | 1020312132230211 |
5 | 10000343203221 |
6 | 321140511233 |
7 | 42200610006 |
oct | 11066365445 |
9 | 3134767473 |
10 | 1222241061 |
11 | 577a17888 |
12 | 2a13ab519 |
13 | 1662b0982 |
14 | b847d1ad |
15 | 72480776 |
hex | 48d9eb25 |
1222241061 has 16 divisors (see below), whose sum is σ = 1781180928. Its totient is φ = 742156800.
The previous prime is 1222241029. The next prime is 1222241071. The reversal of 1222241061 is 1601422221.
It is not a de Polignac number, because 1222241061 - 25 = 1222241029 is a prime.
It is a super-2 number, since 2×12222410612 = 2987746422388811442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222241011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384960 + ... + 388121.
It is an arithmetic number, because the mean of its divisors is an integer number (111323808).
Almost surely, 21222241061 is an apocalyptic number.
It is an amenable number.
1222241061 is a deficient number, since it is larger than the sum of its proper divisors (558939867).
1222241061 is a wasteful number, since it uses less digits than its factorization.
1222241061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 773132.
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 1222241061 is about 34960.5643690144. The cubic root of 1222241061 is about 1069.1836032455.
Adding to 1222241061 its reverse (1601422221), we get a palindrome (2823663282).
The spelling of 1222241061 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, sixty-one".
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