224705557493 has 2 divisors, whose sum is σ = 224705557494. Its totient is φ = 224705557492.

The previous prime is 224705557411. The next prime is 224705557499. The reversal of 224705557493 is 394755507422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222626379889 + 2079177604 = 471833^2 + 45598^2 .

It is a cyclic number.

It is not a de Polignac number, because 224705557493 - 2³⁰ = 223631815669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224705557499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112352778746 + 112352778747.

It is an arithmetic number, because the mean of its divisors is an integer number (112352778747).

Almost surely, 2^224705557493 is an apocalyptic number.

It is an amenable number.

224705557493 is a deficient number, since it is larger than the sum of its proper divisors (1).

224705557493 is an equidigital number, since it uses as much as digits as its factorization.

224705557493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 224705557493 in words is "two hundred twenty-four billion, seven hundred five million, five hundred fifty-seven thousand, four hundred ninety-three".