Search a number
-
+
22222002017 is a prime number
BaseRepresentation
bin10100101100100010…
…001101011101100001
32010100200121122222202
4110230202031131201
5331002313031032
614113022342545
71414452620615
oct245442153541
963320548882
1022222002017
119473817026
12438212aa55
132131b40a27
14110b44d345
158a0d81d62
hex52c88d761

22222002017 has 2 divisors, whose sum is σ = 22222002018. Its totient is φ = 22222002016.

The previous prime is 22222002001. The next prime is 22222002029. The reversal of 22222002017 is 71020022222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14995471936 + 7226530081 = 122456^2 + 85009^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222002017 - 24 = 22222002001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222002017.

It is not a weakly prime, because it can be changed into another prime (22222002097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111001008 + 11111001009.

It is an arithmetic number, because the mean of its divisors is an integer number (11111001009).

Almost surely, 222222002017 is an apocalyptic number.

It is an amenable number.

22222002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222002017 is an equidigital number, since it uses as much as digits as its factorization.

22222002017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 22222002017 its reverse (71020022222), we get a palindrome (93242024239).

The spelling of 22222002017 in words is "twenty-two billion, two hundred twenty-two million, two thousand, seventeen".