Search a number
-
+
2223401443 is a prime number
BaseRepresentation
bin1000010010000110…
…0110100111100011
312201221201111101121
42010201212213203
514023142321233
61004343113111
7106045412644
oct20441464743
95657644347
102223401443
11a4106345a
12520742797
13295836073
1417140d6cb
15d02e092d
hex848669e3

2223401443 has 2 divisors, whose sum is σ = 2223401444. Its totient is φ = 2223401442.

The previous prime is 2223401441. The next prime is 2223401449. The reversal of 2223401443 is 3441043222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2223401443 - 21 = 2223401441 is a prime.

Together with 2223401441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2223401441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111700721 + 1111700722.

It is an arithmetic number, because the mean of its divisors is an integer number (1111700722).

Almost surely, 22223401443 is an apocalyptic number.

2223401443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223401443 is an equidigital number, since it uses as much as digits as its factorization.

2223401443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2223401443 is about 47152.9579453930. The cubic root of 2223401443 is about 1305.1866642359.

Adding to 2223401443 its reverse (3441043222), we get a palindrome (5664444665).

The spelling of 2223401443 in words is "two billion, two hundred twenty-three million, four hundred one thousand, four hundred forty-three".