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2243303441 = 2417992779
BaseRepresentation
bin1000010110110110…
…0001100000010001
312210100011121210122
42011231201200101
514043241202231
61010333440025
7106406523161
oct20555414021
95710147718
102243303441
11a51317095
12527340015
132999b39b2
14173d105a1
15d1e2277b
hex85b61811

2243303441 has 4 divisors (see below), whose sum is σ = 2243420400. Its totient is φ = 2243186484.

The previous prime is 2243303401. The next prime is 2243303443. The reversal of 2243303441 is 1443033422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1443033422 = 2721516711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2243303441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243303441.

It is not an unprimeable number, because it can be changed into a prime (2243303443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22211 + ... + 70568.

It is an arithmetic number, because the mean of its divisors is an integer number (560855100).

Almost surely, 22243303441 is an apocalyptic number.

It is an amenable number.

2243303441 is a deficient number, since it is larger than the sum of its proper divisors (116959).

2243303441 is an equidigital number, since it uses as much as digits as its factorization.

2243303441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116958.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2243303441 is about 47363.5243726647. The cubic root of 2243303441 is about 1309.0694090141.

Adding to 2243303441 its reverse (1443033422), we get a palindrome (3686336863).

The spelling of 2243303441 in words is "two billion, two hundred forty-three million, three hundred three thousand, four hundred forty-one".

Divisors: 1 24179 92779 2243303441