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2440223 is a prime number
BaseRepresentation
bin1001010011110000011111
311120222100122
421103300133
51111041343
6124145155
726512232
oct11236037
94528318
102440223
111417415
129981bb
13675926
14477419
15333068
hex253c1f

2440223 has 2 divisors, whose sum is σ = 2440224. Its totient is φ = 2440222.

The previous prime is 2440219. The next prime is 2440237. The reversal of 2440223 is 3220442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2440223 - 22 = 2440219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220111 + 1220112.

It is an arithmetic number, because the mean of its divisors is an integer number (1220112).

22440223 is an apocalyptic number.

2440223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440223 is an equidigital number, since it uses as much as digits as its factorization.

2440223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2440223 is about 1562.1213141110. The cubic root of 2440223 is about 134.6304111410.

Adding to 2440223 its reverse (3220442), we get a palindrome (5660665).

The spelling of 2440223 in words is "two million, four hundred forty thousand, two hundred twenty-three".