Base | Representation |
---|---|
bin | 10100101100100011… |
… | …011101110001111001 |
3 | 2010100201020101021100 |
4 | 110230203131301321 |
5 | 331002404043001 |
6 | 14113033402013 |
7 | 1414455461013 |
oct | 245443356171 |
9 | 63321211240 |
10 | 22222331001 |
11 | 9473a21212 |
12 | 4382269309 |
13 | 2131c276b0 |
14 | 110b4d71b3 |
15 | 8a0de9586 |
hex | 52c8ddc79 |
22222331001 has 24 divisors (see below), whose sum is σ = 34680726080. Its totient is φ = 13630713696.
The previous prime is 22222330957. The next prime is 22222331003. The reversal of 22222331001 is 10013322222.
It is not a de Polignac number, because 22222331001 - 29 = 22222330489 is a prime.
It is not an unprimeable number, because it can be changed into a prime (22222331003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273421 + ... + 345258.
Almost surely, 222222331001 is an apocalyptic number.
It is an amenable number.
22222331001 is a deficient number, since it is larger than the sum of its proper divisors (12458395079).
22222331001 is a wasteful number, since it uses less digits than its factorization.
22222331001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619005 (or 619002 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 22222331001 its reverse (10013322222), we get a palindrome (32235653223).
The spelling of 22222331001 in words is "twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, one".
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