2243215450205 has 12 divisors (see below), whose sum is σ = 2732635217340. Its totient is φ = 1767787680384.

The previous prime is 2243215450141. The next prime is 2243215450207. The reversal of 2243215450205 is 5020545123422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 290248330009 + 1952967120196 = 538747^2 + 1397486^2 .

It is not a de Polignac number, because 2243215450205 - 2⁶ = 2243215450141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243215450207) 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 in 11 ways as a sum of consecutive naturals, for example, 49948940 + ... + 49993829.

It is an arithmetic number, because the mean of its divisors is an integer number (227719601445).

Almost surely, 2^{2243215450205} is an apocalyptic number.

It is an amenable number.

2243215450205 is a deficient number, since it is larger than the sum of its proper divisors (489419767135).

2243215450205 is an frugal number, since it uses more digits than its factorization.

2243215450205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99942908 (or 99942841 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 2243215450205 in words is "two trillion, two hundred forty-three billion, two hundred fifteen million, four hundred fifty thousand, two hundred five".