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224312224 = 257009757
BaseRepresentation
bin11010101111010…
…11101110100000
3120122002020112011
431113223232200
5424410442344
634131442304
75362423333
oct1527535640
9518066464
10224312224
11105689104
1263156394
133761a436
1421b1061a
1514a5cd34
hexd5ebba0

224312224 has 12 divisors (see below), whose sum is σ = 441614754. Its totient is φ = 112156096.

The previous prime is 224312219. The next prime is 224312227. The reversal of 224312224 is 422213422.

224312224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 196560400 + 27751824 = 14020^2 + 5268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224312195 and 224312204.

It is not an unprimeable number, because it can be changed into a prime (224312227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504847 + ... + 3504910.

Almost surely, 2224312224 is an apocalyptic number.

It is an amenable number.

224312224 is a deficient number, since it is larger than the sum of its proper divisors (217302530).

224312224 is an equidigital number, since it uses as much as digits as its factorization.

224312224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009767 (or 7009759 counting only the distinct ones).

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

The square root of 224312224 is about 14977.0565866595. The cubic root of 224312224 is about 607.5998347896.

Adding to 224312224 its reverse (422213422), we get a palindrome (646525646).

The spelling of 224312224 in words is "two hundred twenty-four million, three hundred twelve thousand, two hundred twenty-four".