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2228243 is a prime number
BaseRepresentation
bin1000100000000000010011
311012012120112
420200000103
51032300433
6115431535
724640223
oct10400023
94165515
102228243
111292126
128b55ab
136002b4
14420083
152e0348
hex220013

2228243 has 2 divisors, whose sum is σ = 2228244. Its totient is φ = 2228242.

The previous prime is 2228221. The next prime is 2228299. The reversal of 2228243 is 3428222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2228243 - 212 = 2224147 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 22 + 217 + 220 + 8 + 220 + 4 + 3 .

It is not a weakly prime, because it can be changed into another prime (2228143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114121 + 1114122.

It is an arithmetic number, because the mean of its divisors is an integer number (1114122).

22228243 is an apocalyptic number.

2228243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228243 is an equidigital number, since it uses as much as digits as its factorization.

2228243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 2228243 is about 1492.7300492721. The cubic root of 2228243 is about 130.6133345046.

The spelling of 2228243 in words is "two million, two hundred twenty-eight thousand, two hundred forty-three".