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2230221913 is a prime number
BaseRepresentation
bin1000010011101110…
…0111110001011001
312202102120000022121
42010323213301121
514031414100123
61005145221241
7106160400463
oct20473476131
95672500277
102230221913
11a449a1807
12522a91821
1329708364a
141722a7133
15d0bdb75d
hex84ee7c59

2230221913 has 2 divisors, whose sum is σ = 2230221914. Its totient is φ = 2230221912.

The previous prime is 2230221911. The next prime is 2230221941. The reversal of 2230221913 is 3191220322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1280780944 + 949440969 = 35788^2 + 30813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230221913 - 21 = 2230221911 is a prime.

Together with 2230221911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2230221911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115110956 + 1115110957.

It is an arithmetic number, because the mean of its divisors is an integer number (1115110957).

Almost surely, 22230221913 is an apocalyptic number.

It is an amenable number.

2230221913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230221913 is an equidigital number, since it uses as much as digits as its factorization.

2230221913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2230221913 is about 47225.2253885569. The cubic root of 2230221913 is about 1306.5198916755.

The spelling of 2230221913 in words is "two billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred thirteen".