2225123222265 has 80 divisors (see below), whose sum is σ = 4024428127632. Its totient is φ = 1176142657536.

The previous prime is 2225123222261. The next prime is 2225123222303. The reversal of 2225123222265 is 5622223215222.

2225123222265 is a `hidden beast` number, since 2 + 2 + 251 + 2 + 322 + 22 + 65 = 666.

2225123222265 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 8 ways, for example, as 610442190864 + 1614681031401 = 781308^2 + 1270701^2 .

It is not a de Polignac number, because 2225123222265 - 2² = 2225123222261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225123222261) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 34201747 + ... + 34266743.

Almost surely, 2^{2225123222265} is an apocalyptic number.

It is an amenable number.

2225123222265 is a deficient number, since it is larger than the sum of its proper divisors (1799304905367).

2225123222265 is a wasteful number, since it uses less digits than its factorization.

2225123222265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65768 (or 65759 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 2225123222265 its reverse (5622223215222), we get a palindrome (7847346437487).

The spelling of 2225123222265 in words is "two trillion, two hundred twenty-five billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred sixty-five".