Search a number
-
+
222342223 is a prime number
BaseRepresentation
bin11010100000010…
…10110001001111
3120111101011012011
431100022301033
5423404422343
634021322051
75336610025
oct1520126117
9514334164
10222342223
11104563004
1262566327
13370aa85c
142175a715
15147be29d
hexd40ac4f

222342223 has 2 divisors, whose sum is σ = 222342224. Its totient is φ = 222342222.

The previous prime is 222342157. The next prime is 222342229. The reversal of 222342223 is 322243222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222342223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222342194 and 222342203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222342229) 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, 111171111 + 111171112.

It is an arithmetic number, because the mean of its divisors is an integer number (111171112).

Almost surely, 2222342223 is an apocalyptic number.

222342223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222342223 is an equidigital number, since it uses as much as digits as its factorization.

222342223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 22.

The square root of 222342223 is about 14911.1442552207. The cubic root of 222342223 is about 605.8158726003.

Adding to 222342223 its reverse (322243222), we get a palindrome (544585445).

Subtracting 222342223 from its reverse (322243222), we obtain a palindrome (99900999).

The spelling of 222342223 in words is "two hundred twenty-two million, three hundred forty-two thousand, two hundred twenty-three".