Search a number
-
+
2224841 = 17130873
BaseRepresentation
bin1000011111001011001001
311012000220112
420133023021
51032143331
6115404105
724624263
oct10371311
94160815
102224841
11128a613
128b3635
135cb898
1441cb33
152de32b
hex21f2c9

2224841 has 4 divisors (see below), whose sum is σ = 2355732. Its totient is φ = 2093952.

The previous prime is 2224837. The next prime is 2224861. The reversal of 2224841 is 1484222.

It is a happy number.

2224841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1484222 = 2742111.

It can be written as a sum of positive squares in 2 ways, for example, as 687241 + 1537600 = 829^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224841 - 22 = 2224837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65420 + ... + 65453.

It is an arithmetic number, because the mean of its divisors is an integer number (588933).

22224841 is an apocalyptic number.

It is an amenable number.

2224841 is a deficient number, since it is larger than the sum of its proper divisors (130891).

2224841 is a wasteful number, since it uses less digits than its factorization.

2224841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130890.

The product of its digits is 1024, while the sum is 23.

The square root of 2224841 is about 1491.5900911443. The cubic root of 2224841 is about 130.5468287579.

The spelling of 2224841 in words is "two million, two hundred twenty-four thousand, eight hundred forty-one".

Divisors: 1 17 130873 2224841