Base | Representation |
---|---|
bin | 1000010001110111… |
… | …0111100110001001 |
3 | 12201212212202102002 |
4 | 2010131313212021 |
5 | 14022420004114 |
6 | 1004310120345 |
7 | 106034164424 |
oct | 20435674611 |
9 | 5655782362 |
10 | 2222422409 |
11 | a40554939 |
12 | 5203500b5 |
13 | 29558255c |
14 | 1712369bb |
15 | d019a7de |
hex | 84777989 |
2222422409 has 2 divisors, whose sum is σ = 2222422410. Its totient is φ = 2222422408.
The previous prime is 2222422399. The next prime is 2222422429. The reversal of 2222422409 is 9042242222.
2222422409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1142642809 + 1079779600 = 33803^2 + 32860^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2222422409 is a prime.
It is a super-2 number, since 2×22224224092 = 9878322728050726562, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2222422429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111211204 + 1111211205.
It is an arithmetic number, because the mean of its divisors is an integer number (1111211205).
Almost surely, 22222422409 is an apocalyptic number.
It is an amenable number.
2222422409 is a deficient number, since it is larger than the sum of its proper divisors (1).
2222422409 is an equidigital number, since it uses as much as digits as its factorization.
2222422409 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 29.
The square root of 2222422409 is about 47142.5753327075. The cubic root of 2222422409 is about 1304.9950644500.
The spelling of 2222422409 in words is "two billion, two hundred twenty-two million, four hundred twenty-two thousand, four hundred nine".
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