498044221 has 2 divisors, whose sum is σ = 498044222. Its totient is φ = 498044220.

The previous prime is 498044167. The next prime is 498044227. The reversal of 498044221 is 122440894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 28238596 = 21675^2 + 5314^2 .

It is a cyclic number.

It is not a de Polignac number, because 498044221 - 2¹¹ = 498042173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498044227) 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 as a sum of consecutive naturals, namely, 249022110 + 249022111.

It is an arithmetic number, because the mean of its divisors is an integer number (249022111).

Almost surely, 2^498044221 is an apocalyptic number.

It is an amenable number.

498044221 is a deficient number, since it is larger than the sum of its proper divisors (1).

498044221 is an equidigital number, since it uses as much as digits as its factorization.

498044221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 498044221 is about 22316.9043776237. The cubic root of 498044221 is about 792.6643051808.

The spelling of 498044221 in words is "four hundred ninety-eight million, forty-four thousand, two hundred twenty-one".