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2207213 is a prime number
BaseRepresentation
bin1000011010110111101101
311011010201122
420122313231
51031112323
6115150325
724522011
oct10326755
94133648
102207213
111278348
128a53a5
135c3858
14416541
152d8ec8
hex21aded

2207213 has 2 divisors, whose sum is σ = 2207214. Its totient is φ = 2207212.

The previous prime is 2207203. The next prime is 2207221. The reversal of 2207213 is 3127022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1119364 + 1087849 = 1058^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207213 - 24 = 2207197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2207191 and 2207200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207203) 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, 1103606 + 1103607.

It is an arithmetic number, because the mean of its divisors is an integer number (1103607).

22207213 is an apocalyptic number.

It is an amenable number.

2207213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207213 is an equidigital number, since it uses as much as digits as its factorization.

2207213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2207213 is about 1485.6692094810. The cubic root of 2207213 is about 130.2011285073.

The spelling of 2207213 in words is "two million, two hundred seven thousand, two hundred thirteen".