Search a number
-
+
2206471 is a prime number
BaseRepresentation
bin1000011010101100000111
311011002201011
420122230013
51031101341
6115143051
724516601
oct10325407
94132634
102206471
111277833
128a4a87
135c3407
14416171
152d8b81
hex21ab07

2206471 has 2 divisors, whose sum is σ = 2206472. Its totient is φ = 2206470.

The previous prime is 2206469. The next prime is 2206483. The reversal of 2206471 is 1746022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206471 - 21 = 2206469 is a prime.

It is a super-3 number, since 3×22064713 = 32226706674948675333, which contains 333 as substring.

Together with 2206469, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103235 + 1103236.

It is an arithmetic number, because the mean of its divisors is an integer number (1103236).

22206471 is an apocalyptic number.

2206471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206471 is an equidigital number, since it uses as much as digits as its factorization.

2206471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2206471 is about 1485.4194693756. The cubic root of 2206471 is about 130.1865369439.

The spelling of 2206471 in words is "two million, two hundred six thousand, four hundred seventy-one".