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2286881 is a prime number
BaseRepresentation
bin1000101110010100100001
311022012000022
420232110201
51041140011
6121003225
725303202
oct10562441
94265008
102286881
111322193
12923515
13620bac
144375a9
153028db
hex22e521

2286881 has 2 divisors, whose sum is σ = 2286882. Its totient is φ = 2286880.

The previous prime is 2286877. The next prime is 2286883. The reversal of 2286881 is 1886822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1731856 + 555025 = 1316^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2286881 - 22 = 2286877 is a prime.

It is a super-2 number, since 2×22868812 = 10459649416322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2286883, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2286883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1143440 + 1143441.

It is an arithmetic number, because the mean of its divisors is an integer number (1143441).

22286881 is an apocalyptic number.

It is an amenable number.

2286881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2286881 is an equidigital number, since it uses as much as digits as its factorization.

2286881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 35.

The square root of 2286881 is about 1512.2436972922. The cubic root of 2286881 is about 131.7491601472.

The spelling of 2286881 in words is "two million, two hundred eighty-six thousand, eight hundred eighty-one".