Search a number
-
+
13222330441 = 29455942429
BaseRepresentation
bin11000101000001110…
…01100000001001001
31021010111010222111021
430110013030001021
5204034404033231
610024012232441
7645442645225
oct142407140111
937114128437
1013222330441
11567572a621
12269016b721
131329477088
148d60c1785
15525c1c811
hex3141cc049

13222330441 has 4 divisors (see below), whose sum is σ = 13678272900. Its totient is φ = 12766387984.

The previous prime is 13222330393. The next prime is 13222330447. The reversal of 13222330441 is 14403322231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5991379216 + 7230951225 = 77404^2 + 85035^2 .

It is a cyclic number.

It is not a de Polignac number, because 13222330441 - 211 = 13222328393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222330447) 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, 227971186 + ... + 227971243.

It is an arithmetic number, because the mean of its divisors is an integer number (3419568225).

Almost surely, 213222330441 is an apocalyptic number.

It is an amenable number.

13222330441 is a deficient number, since it is larger than the sum of its proper divisors (455942459).

13222330441 is an equidigital number, since it uses as much as digits as its factorization.

13222330441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455942458.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13222330441 its reverse (14403322231), we get a palindrome (27625652672).

The spelling of 13222330441 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty thousand, four hundred forty-one".

Divisors: 1 29 455942429 13222330441