Search a number
-
+
1422442013 is a prime number
BaseRepresentation
bin101010011001000…
…1011111000011101
310200010120112121112
41110302023320131
510403121121023
6353051511405
750151362156
oct12462137035
93603515545
101422442013
1166aa27813
12338458565
13198908585
14d6cb492d
1584d29478
hex54c8be1d

1422442013 has 2 divisors, whose sum is σ = 1422442014. Its totient is φ = 1422442012.

The previous prime is 1422442001. The next prime is 1422442019. The reversal of 1422442013 is 3102442241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765186244 + 657255769 = 27662^2 + 25637^2 .

It is an emirp because it is prime and its reverse (3102442241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422442013 - 24 = 1422441997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422442013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422442019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711221006 + 711221007.

It is an arithmetic number, because the mean of its divisors is an integer number (711221007).

Almost surely, 21422442013 is an apocalyptic number.

It is an amenable number.

1422442013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422442013 is an equidigital number, since it uses as much as digits as its factorization.

1422442013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1422442013 is about 37715.2755922584. The cubic root of 1422442013 is about 1124.6348149355.

Adding to 1422442013 its reverse (3102442241), we get a palindrome (4524884254).

The spelling of 1422442013 in words is "one billion, four hundred twenty-two million, four hundred forty-two thousand, thirteen".