Search a number
-
+
22789498717 is a prime number
BaseRepresentation
bin10101001110010111…
…000010011101011101
32011211020110111010001
4111032113002131131
5333133102424332
614245214014301
71434513354136
oct251627023535
964736414101
1022789498717
119735094767
1245001a7391
1321c25990ab
141162974c8d
158d5ace0e7
hex54e5c275d

22789498717 has 2 divisors, whose sum is σ = 22789498718. Its totient is φ = 22789498716.

The previous prime is 22789498703. The next prime is 22789498727. The reversal of 22789498717 is 71789498722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21103082361 + 1686416356 = 145269^2 + 41066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22789498717 is a prime.

It is a super-2 number, since 2×227894987172 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22789498727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11394749358 + 11394749359.

It is an arithmetic number, because the mean of its divisors is an integer number (11394749359).

Almost surely, 222789498717 is an apocalyptic number.

It is an amenable number.

22789498717 is a deficient number, since it is larger than the sum of its proper divisors (1).

22789498717 is an equidigital number, since it uses as much as digits as its factorization.

22789498717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 64.

The spelling of 22789498717 in words is "twenty-two billion, seven hundred eighty-nine million, four hundred ninety-eight thousand, seven hundred seventeen".