12225282625 has 48 divisors (see below), whose sum is σ = 15872468976. Its totient is φ = 9399168000.

The previous prime is 12225282583. The next prime is 12225282647. The reversal of 12225282625 is 52628252221.

It is a Cunningham number, because it is equal to 110568²+1.

It can be written as a sum of positive squares in 24 ways, for example, as 10725502096 + 1499780529 = 103564^2 + 38727^2 .

It is not a de Polignac number, because 12225282625 - 2⁷ = 12225282497 is a prime.

It is a super-2 number, since 2×12225282625² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15338727 + ... + 15339523.

It is an arithmetic number, because the mean of its divisors is an integer number (330676437).

Almost surely, 2^12225282625 is an apocalyptic number.

It is an amenable number.

12225282625 is a deficient number, since it is larger than the sum of its proper divisors (3647186351).

12225282625 is an frugal number, since it uses more digits than its factorization.

12225282625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 916 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The spelling of 12225282625 in words is "twelve billion, two hundred twenty-five million, two hundred eighty-two thousand, six hundred twenty-five".