493330221 has 6 divisors (see below), whose sum is σ = 712588110. Its totient is φ = 328886808.

The previous prime is 493330207. The next prime is 493330301. The reversal of 493330221 is 122033394.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 355737321 + 137592900 = 18861^2 + 11730^2 .

It is not a de Polignac number, because 493330221 - 2¹⁹ = 492805933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493335221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27407226 + ... + 27407243.

It is an arithmetic number, because the mean of its divisors is an integer number (118764685).

Almost surely, 2^493330221 is an apocalyptic number.

It is an amenable number.

493330221 is a deficient number, since it is larger than the sum of its proper divisors (219257889).

493330221 is a wasteful number, since it uses less digits than its factorization.

493330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54814475 (or 54814472 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 493330221 is about 22211.0382692930. The cubic root of 493330221 is about 790.1555112326.

The spelling of 493330221 in words is "four hundred ninety-three million, three hundred thirty thousand, two hundred twenty-one".