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2001223207 is a prime number
BaseRepresentation
bin111011101001000…
…0011111000100111
312011110122200011001
41313102003320213
513044303120312
6530325054131
7100410054664
oct16722037047
95143580131
102001223207
11937702685
1247a257347
1325b7b5059
1414dad6a6b
15baa55057
hex77483e27

2001223207 has 2 divisors, whose sum is σ = 2001223208. Its totient is φ = 2001223206.

The previous prime is 2001223163. The next prime is 2001223229. The reversal of 2001223207 is 7023221002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001223207 - 215 = 2001190439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001223267) 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, 1000611603 + 1000611604.

It is an arithmetic number, because the mean of its divisors is an integer number (1000611604).

Almost surely, 22001223207 is an apocalyptic number.

2001223207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001223207 is an equidigital number, since it uses as much as digits as its factorization.

2001223207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2001223207 is about 44735.0333295953. The cubic root of 2001223207 is about 1260.1778549223.

Adding to 2001223207 its reverse (7023221002), we get a palindrome (9024444209).

The spelling of 2001223207 in words is "two billion, one million, two hundred twenty-three thousand, two hundred seven".