2288088845449 has 27 divisors (see below), whose sum is σ = 2671981089141. Its totient is φ = 1957481053440.

The previous prime is 2288088845429. The next prime is 2288088845513. The reversal of 2288088845449 is 9445488808822.

The square root of 2288088845449 is 1512643.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 314535897225 + 1973552948224 = 560835^2 + 1404832^2 .

It is not a de Polignac number, because 2288088845449 - 2¹⁹ = 2288088321161 is a prime.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2288088845429) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 282860197 + ... + 282868285.

Almost surely, 2^{2288088845449} is an apocalyptic number.

2288088845449 is the 1512643-rd square number.

2288088845449 is the 756322-nd centered octagonal number.

It is an amenable number.

2288088845449 is a deficient number, since it is larger than the sum of its proper divisors (383892243692).

2288088845449 is an frugal number, since it uses more digits than its factorization.

2288088845449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16234 (or 8117 counting only the distinct ones).

The product of its (nonzero) digits is 377487360, while the sum is 70.

It can be divided in two parts, 22880 and 88845449, that added together give a square (88868329 = 9427²).

The spelling of 2288088845449 in words is "two trillion, two hundred eighty-eight billion, eighty-eight million, eight hundred forty-five thousand, four hundred forty-nine".