2443819225 has 9 divisors (see below), whose sum is σ = 3030642367. Its totient is φ = 1954857640.

The previous prime is 2443819211. The next prime is 2443819229. The reversal of 2443819225 is 5229183442.

The square root of 2443819225 is 49435.

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

2443819225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 879774921 + 1564044304 = 29661^2 + 39548^2 .

It is not a de Polignac number, because 2443819225 - 2²⁹ = 1906948313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443819229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 242232 + ... + 252118.

Almost surely, 2^2443819225 is an apocalyptic number.

2443819225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2443819225 is the 49435-th square number.

2443819225 is the 24718-th centered octagonal number.

It is an amenable number.

2443819225 is a deficient number, since it is larger than the sum of its proper divisors (586823142).

2443819225 is an frugal number, since it uses more digits than its factorization.

2443819225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784 (or 9892 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The cubic root of 2443819225 is about 1346.9651488156.

The spelling of 2443819225 in words is "two billion, four hundred forty-three million, eight hundred nineteen thousand, two hundred twenty-five".