Search a number
-
+
222423241 is a prime number
BaseRepresentation
bin11010100000111…
…10100011001001
3120111112021022211
431100132203021
5423420020431
634023145121
75340365155
oct1520364311
9514467284
10222423241
11104608967
12625a51a1
13371086b1
142177c065
15147d82b1
hexd41e8c9

222423241 has 2 divisors, whose sum is σ = 222423242. Its totient is φ = 222423240.

The previous prime is 222423239. The next prime is 222423269. The reversal of 222423241 is 142324222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128255625 + 94167616 = 11325^2 + 9704^2 .

It is a cyclic number.

It is not a de Polignac number, because 222423241 - 21 = 222423239 is a prime.

Together with 222423239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222423221) 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, 111211620 + 111211621.

It is an arithmetic number, because the mean of its divisors is an integer number (111211621).

Almost surely, 2222423241 is an apocalyptic number.

It is an amenable number.

222423241 is a deficient number, since it is larger than the sum of its proper divisors (1).

222423241 is an equidigital number, since it uses as much as digits as its factorization.

222423241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 22.

The square root of 222423241 is about 14913.8607007039. The cubic root of 222423241 is about 605.8894469150.

Adding to 222423241 its reverse (142324222), we get a palindrome (364747463).

The spelling of 222423241 in words is "two hundred twenty-two million, four hundred twenty-three thousand, two hundred forty-one".