Search a number
-
+
6422222239 is a prime number
BaseRepresentation
bin1011111101100101…
…10101010110011111
3121120120112200200221
411332302311112133
5101123042102424
62541134302211
7315101662666
oct57662652637
917516480627
106422222239
1127a61a4694
1212b2957967
137b46bb104
1444cd19ddd
15278c3a9e4
hex17ecb559f

6422222239 has 2 divisors, whose sum is σ = 6422222240. Its totient is φ = 6422222238.

The previous prime is 6422222237. The next prime is 6422222249. The reversal of 6422222239 is 9322222246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6422222239 - 21 = 6422222237 is a prime.

Together with 6422222237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422222237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211111119 + 3211111120.

It is an arithmetic number, because the mean of its divisors is an integer number (3211111120).

Almost surely, 26422222239 is an apocalyptic number.

6422222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422222239 is an equidigital number, since it uses as much as digits as its factorization.

6422222239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 6422222239 is about 80138.7686391549. The cubic root of 6422222239 is about 1858.7819364357.

The spelling of 6422222239 in words is "six billion, four hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-nine".