Search a number
-
+
12224446771 is a prime number
BaseRepresentation
bin10110110001010001…
…00100000100110011
31011112221110020102211
423120220210010303
5200013424244041
65341004152551
7611635040335
oct133050440463
934487406384
1012224446771
115203421879
122451b38757
1311ca7cb274
1483d765455
154b8308481
hex2d8a24133

12224446771 has 2 divisors, whose sum is σ = 12224446772. Its totient is φ = 12224446770.

The previous prime is 12224446711. The next prime is 12224446867. The reversal of 12224446771 is 17764442221.

It is a weak prime.

It is an emirp because it is prime and its reverse (17764442221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12224446771 - 27 = 12224446643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12224446711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112223385 + 6112223386.

It is an arithmetic number, because the mean of its divisors is an integer number (6112223386).

Almost surely, 212224446771 is an apocalyptic number.

12224446771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224446771 is an equidigital number, since it uses as much as digits as its factorization.

12224446771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 40.

Adding to 12224446771 its reverse (17764442221), we get a palindrome (29988888992).

The spelling of 12224446771 in words is "twelve billion, two hundred twenty-four million, four hundred forty-six thousand, seven hundred seventy-one".