Search a number
-
+
2222131303321 = 13915986556139
BaseRepresentation
bin100000010101100001010…
…110001101001110011001
321212102201011002020020021
4200111201112031032121
5242401411103201241
64420455533430441
7316354325300206
oct40254126151631
97772634066207
102222131303321
1178744520a806
122ba7b733b421
131317139892a7
14797a1d30cad
153cc0936a0d1
hex2056158d399

2222131303321 has 4 divisors (see below), whose sum is σ = 2238117859600. Its totient is φ = 2206144747044.

The previous prime is 2222131303279. The next prime is 2222131303331. The reversal of 2222131303321 is 1233031312222.

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.

It is a cyclic number.

It is not a de Polignac number, because 2222131303321 - 217 = 2222131172249 is a prime.

It is a super-2 number, since 2×22221313033212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222131303331) 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, 7993277931 + ... + 7993278208.

It is an arithmetic number, because the mean of its divisors is an integer number (559529464900).

Almost surely, 22222131303321 is an apocalyptic number.

It is an amenable number.

2222131303321 is a deficient number, since it is larger than the sum of its proper divisors (15986556279).

2222131303321 is a wasteful number, since it uses less digits than its factorization.

2222131303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15986556278.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2222131303321 its reverse (1233031312222), we get a palindrome (3455162615543).

The spelling of 2222131303321 in words is "two trillion, two hundred twenty-two billion, one hundred thirty-one million, three hundred three thousand, three hundred twenty-one".

Divisors: 1 139 15986556139 2222131303321