Search a number
-
+
222411331 is a prime number
BaseRepresentation
bin11010100000110…
…11101001000011
3120111111122222201
431100123221003
5423414130311
634023014031
75340315352
oct1520335103
9514448881
10222411331
111045aaa1a
126259a317
133710314c
1421777999
15147d49c1
hexd41ba43

222411331 has 2 divisors, whose sum is σ = 222411332. Its totient is φ = 222411330.

The previous prime is 222411313. The next prime is 222411341. The reversal of 222411331 is 133114222.

It is a happy number.

Together with previous prime (222411313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222411331 is a prime.

It is a super-2 number, since 2×2224113312 = 98933600314383122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222411299 and 222411308.

It is not a weakly prime, because it can be changed into another prime (222411341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111205665 + 111205666.

It is an arithmetic number, because the mean of its divisors is an integer number (111205666).

Almost surely, 2222411331 is an apocalyptic number.

222411331 is a deficient number, since it is larger than the sum of its proper divisors (1).

222411331 is an equidigital number, since it uses as much as digits as its factorization.

222411331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 222411331 is about 14913.4614023707. The cubic root of 222411331 is about 605.8786322895.

Adding to 222411331 its reverse (133114222), we get a palindrome (355525553).

The spelling of 222411331 in words is "two hundred twenty-two million, four hundred eleven thousand, three hundred thirty-one".