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2018202223 is a prime number
BaseRepresentation
bin111100001001011…
…0101001001101111
312012122121021222111
41320102311021233
513113124432343
6532133024451
7101004302332
oct17022651157
95178537874
102018202223
1194624a224
12483a85127
1326217b3cb
14152076619
15bc2aac9d
hex784b526f

2018202223 has 2 divisors, whose sum is σ = 2018202224. Its totient is φ = 2018202222.

The previous prime is 2018202217. The next prime is 2018202247. The reversal of 2018202223 is 3222028102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2018202223 - 217 = 2018071151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2018202194 and 2018202203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018202283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009101111 + 1009101112.

It is an arithmetic number, because the mean of its divisors is an integer number (1009101112).

Almost surely, 22018202223 is an apocalyptic number.

2018202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018202223 is an equidigital number, since it uses as much as digits as its factorization.

2018202223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2018202223 is about 44924.4056499360. The cubic root of 2018202223 is about 1263.7317399835.

The spelling of 2018202223 in words is "two billion, eighteen million, two hundred two thousand, two hundred twenty-three".