Search a number
-
+
622424669 is a prime number
BaseRepresentation
bin100101000110010…
…111001001011101
31121101012110010112
4211012113021131
52233320042134
6141432415405
721265344116
oct4506271135
91541173115
10622424669
1129a384959
12154547565
139bc4a829
145c94320d
153999c1ce
hex2519725d

622424669 has 2 divisors, whose sum is σ = 622424670. Its totient is φ = 622424668.

The previous prime is 622424563. The next prime is 622424683. The reversal of 622424669 is 966424226.

622424669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618119044 + 4305625 = 24862^2 + 2075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-622424669 is a prime.

It is a super-2 number, since 2×6224246692 = 774824937159519122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622421669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311212334 + 311212335.

It is an arithmetic number, because the mean of its divisors is an integer number (311212335).

Almost surely, 2622424669 is an apocalyptic number.

It is an amenable number.

622424669 is a deficient number, since it is larger than the sum of its proper divisors (1).

622424669 is an equidigital number, since it uses as much as digits as its factorization.

622424669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 622424669 is about 24948.4402117647. The cubic root of 622424669 is about 853.8120222586.

The spelling of 622424669 in words is "six hundred twenty-two million, four hundred twenty-four thousand, six hundred sixty-nine".