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2232112009 is a prime number
BaseRepresentation
bin1000010100001011…
…0101001110001001
312202120010001001011
42011002311032021
514032410041014
61005253523521
7106212432121
oct20502651611
95676101034
102232112009
11a45a72876
125236435a1
13297595a4a
14172639c81
15d0e617c4
hex850b5389

2232112009 has 2 divisors, whose sum is σ = 2232112010. Its totient is φ = 2232112008.

The previous prime is 2232112007. The next prime is 2232112031. The reversal of 2232112009 is 9002112322.

It is an a-pointer prime, because the next prime (2232112031) can be obtained adding 2232112009 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1468805625 + 763306384 = 38325^2 + 27628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232112009 - 21 = 2232112007 is a prime.

It is a super-3 number, since 3×22321120093 (a number of 29 digits) contains 333 as substring.

Together with 2232112007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2232112007) by changing a digit.

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 as a sum of consecutive naturals, namely, 1116056004 + 1116056005.

It is an arithmetic number, because the mean of its divisors is an integer number (1116056005).

Almost surely, 22232112009 is an apocalyptic number.

It is an amenable number.

2232112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232112009 is an equidigital number, since it uses as much as digits as its factorization.

2232112009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2232112009 is about 47245.2326589678. The cubic root of 2232112009 is about 1306.8888759938. Note that the first 4 decimals are identical.

The spelling of 2232112009 in words is "two billion, two hundred thirty-two million, one hundred twelve thousand, nine".