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224311229 is a prime number
BaseRepresentation
bin11010101111010…
…11011110111101
3120122002012011022
431113223132331
5424410424404
634131433525
75362420412
oct1527533675
9518065138
10224311229
1110568838a
12631558a5
1337619b4c
1421b10109
1514a5c8be
hexd5eb7bd

224311229 has 2 divisors, whose sum is σ = 224311230. Its totient is φ = 224311228.

The previous prime is 224311189. The next prime is 224311253. The reversal of 224311229 is 922113422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168091225 + 56220004 = 12965^2 + 7498^2 .

It is a cyclic number.

It is not a de Polignac number, because 224311229 - 224 = 207534013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p12347081 and since 224311229 and 12347081 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 224311198 and 224311207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224311289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112155614 + 112155615.

It is an arithmetic number, because the mean of its divisors is an integer number (112155615).

Almost surely, 2224311229 is an apocalyptic number.

It is an amenable number.

224311229 is a deficient number, since it is larger than the sum of its proper divisors (1).

224311229 is an equidigital number, since it uses as much as digits as its factorization.

224311229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 224311229 is about 14977.0233691478. The cubic root of 224311229 is about 607.5989363949.

The spelling of 224311229 in words is "two hundred twenty-four million, three hundred eleven thousand, two hundred twenty-nine".