Search a number
-
+
2222579 is a prime number
BaseRepresentation
bin1000011110100111110011
311011220210202
420132213303
51032110304
6115345415
724614552
oct10364763
94156722
102222579
111288947
128b226b
135ca848
1441bd99
152dd81e
hex21e9f3

2222579 has 2 divisors, whose sum is σ = 2222580. Its totient is φ = 2222578.

The previous prime is 2222573. The next prime is 2222593. The reversal of 2222579 is 9752222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2222579 is a prime.

It is a super-2 number, since 2×22225792 = 9879714822482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 22 + 26 + 210 + 221 + 53 + 76 + 94 .

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2222573) 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, 1111289 + 1111290.

It is an arithmetic number, because the mean of its divisors is an integer number (1111290).

22222579 is an apocalyptic number.

2222579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222579 is an equidigital number, since it uses as much as digits as its factorization.

2222579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 2222579 is about 1490.8316471017. The cubic root of 2222579 is about 130.5025713541.

The spelling of 2222579 in words is "two million, two hundred twenty-two thousand, five hundred seventy-nine".