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2205624055 = 5441124811
BaseRepresentation
bin1000001101110111…
…0010011011110111
312200201021022101211
42003131302123313
514004114432210
61002510102251
7105441331555
oct20335623367
95621238354
102205624055
11a32020aa8
125167aa987
13291c504bb
1416cd02bd5
15cd97d38a
hex837726f7

2205624055 has 4 divisors (see below), whose sum is σ = 2646748872. Its totient is φ = 1764499240.

The previous prime is 2205624041. The next prime is 2205624059. The reversal of 2205624055 is 5504265022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2205624055 - 229 = 1668753143 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205624059) 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 in 3 ways as a sum of consecutive naturals, for example, 220562401 + ... + 220562410.

It is an arithmetic number, because the mean of its divisors is an integer number (661687218).

Almost surely, 22205624055 is an apocalyptic number.

2205624055 is a deficient number, since it is larger than the sum of its proper divisors (441124817).

2205624055 is an equidigital number, since it uses as much as digits as its factorization.

2205624055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441124816.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2205624055 is about 46964.0719593180. The cubic root of 2205624055 is about 1301.6987761971.

Adding to 2205624055 its reverse (5504265022), we get a palindrome (7709889077).

The spelling of 2205624055 in words is "two billion, two hundred five million, six hundred twenty-four thousand, fifty-five".

Divisors: 1 5 441124811 2205624055