Search a number
-
+
1022421017 is a prime number
BaseRepresentation
bin111100111100001…
…110100000011001
32122020212100222002
4330330032200121
54043214433032
6245242010345
734223302202
oct7474164031
92566770862
101022421017
11485148052
122464a69b5
13133a8a567
1499b065a9
155eb5e862
hex3cf0e819

1022421017 has 2 divisors, whose sum is σ = 1022421018. Its totient is φ = 1022421016.

The previous prime is 1022420969. The next prime is 1022421041. The reversal of 1022421017 is 7101242201.

1022421017 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., 995339401 + 27081616 = 31549^2 + 5204^2 .

It is an emirp because it is prime and its reverse (7101242201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022421017 - 218 = 1022158873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022421017.

It is not a weakly prime, because it can be changed into another prime (1022421067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511210508 + 511210509.

It is an arithmetic number, because the mean of its divisors is an integer number (511210509).

Almost surely, 21022421017 is an apocalyptic number.

It is an amenable number.

1022421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022421017 is an equidigital number, since it uses as much as digits as its factorization.

1022421017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1022421017 is about 31975.3188725304. The cubic root of 1022421017 is about 1007.4185020700.

Adding to 1022421017 its reverse (7101242201), we get a palindrome (8123663218).

The spelling of 1022421017 in words is "one billion, twenty-two million, four hundred twenty-one thousand, seventeen".