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2207197 is a prime number
BaseRepresentation
bin1000011010110111011101
311011010201001
420122313131
51031112242
6115150301
724521656
oct10326735
94133631
102207197
111278333
128a5391
135c3845
1441652d
152d8eb7
hex21addd

2207197 has 2 divisors, whose sum is σ = 2207198. Its totient is φ = 2207196.

The previous prime is 2207171. The next prime is 2207201. The reversal of 2207197 is 7917022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 116281 = 1446^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207197 - 27 = 2207069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2207897) 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, 1103598 + 1103599.

It is an arithmetic number, because the mean of its divisors is an integer number (1103599).

22207197 is an apocalyptic number.

It is an amenable number.

2207197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207197 is an equidigital number, since it uses as much as digits as its factorization.

2207197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2207197 is about 1485.6638246925. The cubic root of 2207197 is about 130.2008138989.

The spelling of 2207197 in words is "two million, two hundred seven thousand, one hundred ninety-seven".