2522125225 has 24 divisors (see below), whose sum is σ = 3205410912. Its totient is φ = 1967548800.

The previous prime is 2522125223. The next prime is 2522125271. The reversal of 2522125225 is 5225212252.

It is a happy number.

It is not a de Polignac number, because 2522125225 - 2¹ = 2522125223 is a prime.

It is a super-2 number, since 2×2522125225² = 12722231301162601250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2522125193 and 2522125202.

It is not an unprimeable number, because it can be changed into a prime (2522125223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 816534 + ... + 819616.

It is an arithmetic number, because the mean of its divisors is an integer number (133558788).

Almost surely, 2^2522125225 is an apocalyptic number.

2522125225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2522125225 is a deficient number, since it is larger than the sum of its proper divisors (683285687).

2522125225 is a wasteful number, since it uses less digits than its factorization.

2522125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897 (or 3892 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 2522125225 is about 50220.7648786834. The cubic root of 2522125225 is about 1361.2008613809.

Adding to 2522125225 its reverse (5225212252), we get a palindrome (7747337477).

The spelling of 2522125225 in words is "two billion, five hundred twenty-two million, one hundred twenty-five thousand, two hundred twenty-five".