224441993 has 2 divisors, whose sum is σ = 224441994. Its totient is φ = 224441992.

The previous prime is 224441947. The next prime is 224442013. The reversal of 224441993 is 399144422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205406224 + 19035769 = 14332^2 + 4363^2 .

It is a cyclic number.

It is not a de Polignac number, because 224441993 - 2¹⁶ = 224376457 is a prime.

It is not a weakly prime, because it can be changed into another prime (224446993) 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, 112220996 + 112220997.

It is an arithmetic number, because the mean of its divisors is an integer number (112220997).

Almost surely, 2^224441993 is an apocalyptic number.

It is an amenable number.

224441993 is a deficient number, since it is larger than the sum of its proper divisors (1).

224441993 is an equidigital number, since it uses as much as digits as its factorization.

224441993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 224441993 is about 14981.3882200549. The cubic root of 224441993 is about 607.7169816567.

The spelling of 224441993 in words is "two hundred twenty-four million, four hundred forty-one thousand, nine hundred ninety-three".