8810638225 has 9 divisors (see below), whose sum is σ = 10925773393. Its totient is φ = 7048135120.

The previous prime is 8810638211. The next prime is 8810638253. The reversal of 8810638225 is 5228360188.

The square root of 8810638225 is 93865.

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

8810638225 is digitally balanced in base 3, 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 4 ways, for example, as 2927134609 + 5883503616 = 54103^2 + 76704^2 .

It is not a de Polignac number, because 8810638225 - 2⁷ = 8810638097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 459939 + ... + 478711.

Almost surely, 2^8810638225 is an apocalyptic number.

8810638225 is the 93865-th square number.

8810638225 is the 46933-rd centered octagonal number.

It is an amenable number.

8810638225 is a deficient number, since it is larger than the sum of its proper divisors (2115135168).

8810638225 is an frugal number, since it uses more digits than its factorization.

8810638225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556 (or 18778 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The cubic root of 8810638225 is about 2065.3918374211.

The spelling of 8810638225 in words is "eight billion, eight hundred ten million, six hundred thirty-eight thousand, two hundred twenty-five".