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2002223 is a prime number
BaseRepresentation
bin111101000110100101111
310202201112102
413220310233
51003032343
6110525315
723006246
oct7506457
93681472
102002223
111148333
1280683b
13551462
143a195d
152983b8
hex1e8d2f

2002223 has 2 divisors, whose sum is σ = 2002224. Its totient is φ = 2002222.

The previous prime is 2002211. The next prime is 2002229. The reversal of 2002223 is 3222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002223 - 24 = 2002207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002229) 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, 1001111 + 1001112.

It is an arithmetic number, because the mean of its divisors is an integer number (1001112).

22002223 is an apocalyptic number.

2002223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002223 is an equidigital number, since it uses as much as digits as its factorization.

2002223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2002223 is about 1414.9992932860. Note that the first 3 decimals coincide. The cubic root of 2002223 is about 126.0387677801.

Adding to 2002223 its reverse (3222002), we get a palindrome (5224225).

The spelling of 2002223 in words is "two million, two thousand, two hundred twenty-three".