Search a number
-
+
12422441 is a prime number
BaseRepresentation
bin101111011000…
…110100101001
3212101010101102
4233120310221
511140004231
61122131145
7210406013
oct57306451
925333342
1012422441
117015189
1241b0ab5
13275c375
1419151b3
151155acb
hexbd8d29

12422441 has 2 divisors, whose sum is σ = 12422442. Its totient is φ = 12422440.

The previous prime is 12422437. The next prime is 12422453. The reversal of 12422441 is 14422421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 32041 = 3520^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422441 - 22 = 12422437 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12422401) 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, 6211220 + 6211221.

It is an arithmetic number, because the mean of its divisors is an integer number (6211221).

Almost surely, 212422441 is an apocalyptic number.

It is an amenable number.

12422441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422441 is an equidigital number, since it uses as much as digits as its factorization.

12422441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 20.

The square root of 12422441 is about 3524.5483398586. The cubic root of 12422441 is about 231.5984495130.

Subtracting from 12422441 its sum of digits (20), we obtain a palindrome (12422421).

Adding to 12422441 its reverse (14422421), we get a palindrome (26844862).

The spelling of 12422441 in words is "twelve million, four hundred twenty-two thousand, four hundred forty-one".