2522111225 has 24 divisors (see below), whose sum is σ = 3156553920. Its totient is φ = 1998976320.

The previous prime is 2522111209. The next prime is 2522111233. The reversal of 2522111225 is 5221112252.

It is not a de Polignac number, because 2522111225 - 2⁴ = 2522111209 is a prime.

It is a super-2 number, since 2×2522111225² = 12722090062542001250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522111225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1616996 + ... + 1618554.

It is an arithmetic number, because the mean of its divisors is an integer number (131523080).

Almost surely, 2^2522111225 is an apocalyptic number.

2522111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2522111225 is a deficient number, since it is larger than the sum of its proper divisors (634442695).

2522111225 is a wasteful number, since it uses less digits than its factorization.

2522111225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2124 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 2522111225 is about 50220.6254939144. The cubic root of 2522111225 is about 1361.1983427580.

Adding to 2522111225 its reverse (5221112252), we get a palindrome (7743223477).

The spelling of 2522111225 in words is "two billion, five hundred twenty-two million, one hundred eleven thousand, two hundred twenty-five".