224012993 has 2 divisors, whose sum is σ = 224012994. Its totient is φ = 224012992.

The previous prime is 224012969. The next prime is 224013001. The reversal of 224012993 is 399210422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180821809 + 43191184 = 13447^2 + 6572^2 .

It is a cyclic number.

It is not a de Polignac number, because 224012993 - 2¹⁰ = 224011969 is a prime.

It is not a weakly prime, because it can be changed into another prime (224012093) 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, 112006496 + 112006497.

It is an arithmetic number, because the mean of its divisors is an integer number (112006497).

Almost surely, 2^224012993 is an apocalyptic number.

It is an amenable number.

224012993 is a deficient number, since it is larger than the sum of its proper divisors (1).

224012993 is an equidigital number, since it uses as much as digits as its factorization.

224012993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 224012993 is about 14967.0636064660. The cubic root of 224012993 is about 607.3295365292.

The spelling of 224012993 in words is "two hundred twenty-four million, twelve thousand, nine hundred ninety-three".