Search a number
-
+
2222144455 = 5736088067
BaseRepresentation
bin1000010001110011…
…0011101111000111
312201212100122010111
42010130303233013
514022332110310
61004300133451
7106031626156
oct20434635707
95655318114
102222144455
11a40385023
12520237287
132954b5b9b
141711a359d
15d014328a
hex84733bc7

2222144455 has 8 divisors (see below), whose sum is σ = 2703102192. Its totient is φ = 1753363008.

The previous prime is 2222144383. The next prime is 2222144467. The reversal of 2222144455 is 5544412222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222144455 - 29 = 2222143943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043669 + ... + 3044398.

It is an arithmetic number, because the mean of its divisors is an integer number (337887774).

Almost surely, 22222144455 is an apocalyptic number.

2222144455 is a deficient number, since it is larger than the sum of its proper divisors (480957737).

2222144455 is an equidigital number, since it uses as much as digits as its factorization.

2222144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088145.

The product of its digits is 25600, while the sum is 31.

The square root of 2222144455 is about 47139.6272259338. The cubic root of 2222144455 is about 1304.9406577930.

Adding to 2222144455 its reverse (5544412222), we get a palindrome (7766556677).

The spelling of 2222144455 in words is "two billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred fifty-five".

Divisors: 1 5 73 365 6088067 30440335 444428891 2222144455