2253366221 has 2 divisors, whose sum is σ = 2253366222. Its totient is φ = 2253366220.

The previous prime is 2253366151. The next prime is 2253366229. The reversal of 2253366221 is 1226633522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1950988900 + 302377321 = 44170^2 + 17389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253366221 - 2¹⁰ = 2253365197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2253366229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126683110 + 1126683111.

It is an arithmetic number, because the mean of its divisors is an integer number (1126683111).

Almost surely, 2^2253366221 is an apocalyptic number.

It is an amenable number.

2253366221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253366221 is an equidigital number, since it uses as much as digits as its factorization.

2253366221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 2253366221 is about 47469.6347257908. The cubic root of 2253366221 is about 1311.0238525745.

Adding to 2253366221 its reverse (1226633522), we get a palindrome (3479999743).

The spelling of 2253366221 in words is "two billion, two hundred fifty-three million, three hundred sixty-six thousand, two hundred twenty-one".