269804221 has 2 divisors, whose sum is σ = 269804222. Its totient is φ = 269804220.

The previous prime is 269804209. The next prime is 269804279. The reversal of 269804221 is 122408962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251571321 + 18232900 = 15861^2 + 4270^2 .

It is a cyclic number.

It is not a de Polignac number, because 269804221 - 2¹¹ = 269802173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269804021) 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, 134902110 + 134902111.

It is an arithmetic number, because the mean of its divisors is an integer number (134902111).

Almost surely, 2^269804221 is an apocalyptic number.

It is an amenable number.

269804221 is a deficient number, since it is larger than the sum of its proper divisors (1).

269804221 is an equidigital number, since it uses as much as digits as its factorization.

269804221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 269804221 is about 16425.7182795761. The cubic root of 269804221 is about 646.1741495804.

The spelling of 269804221 in words is "two hundred sixty-nine million, eight hundred four thousand, two hundred twenty-one".