Search a number
-
+
2245333331 is a prime number
BaseRepresentation
bin1000010111010101…
…0001000101010011
312210110222202021202
42011311101011103
514044301131311
61010445141415
7106433006213
oct20565210523
95713882252
102245333331
11a5248318a
12527b5a86b
1329a244907
141742bc243
15d21c3e3b
hex85d51153

2245333331 has 2 divisors, whose sum is σ = 2245333332. Its totient is φ = 2245333330.

The previous prime is 2245333297. The next prime is 2245333333. The reversal of 2245333331 is 1333335422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2245333331 - 26 = 2245333267 is a prime.

It is a super-2 number, since 2×22453333312 = 10083043534599111122, which contains 22 as substring.

Together with 2245333333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2245333294 and 2245333303.

It is not a weakly prime, because it can be changed into another prime (2245333333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122666665 + 1122666666.

It is an arithmetic number, because the mean of its divisors is an integer number (1122666666).

Almost surely, 22245333331 is an apocalyptic number.

2245333331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245333331 is an equidigital number, since it uses as much as digits as its factorization.

2245333331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 29.

The square root of 2245333331 is about 47384.9483591573. The cubic root of 2245333331 is about 1309.4641343058.

Adding to 2245333331 its reverse (1333335422), we get a palindrome (3578668753).

The spelling of 2245333331 in words is "two billion, two hundred forty-five million, three hundred thirty-three thousand, three hundred thirty-one".