2722242225 has 24 divisors (see below), whose sum is σ = 4535147232. Its totient is φ = 1440774400.

The previous prime is 2722242221. The next prime is 2722242239. The reversal of 2722242225 is 5222422272.

It is not a de Polignac number, because 2722242225 - 2² = 2722242221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2722242192 and 2722242201.

It is not an unprimeable number, because it can be changed into a prime (2722242221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128712 + ... + 148361.

It is an arithmetic number, because the mean of its divisors is an integer number (188964468).

Almost surely, 2^2722242225 is an apocalyptic number.

2722242225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2722242225 is a deficient number, since it is larger than the sum of its proper divisors (1812905007).

2722242225 is a wasteful number, since it uses less digits than its factorization.

2722242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277217 (or 277212 counting only the distinct ones).

The product of its digits is 17920, while the sum is 30.

The square root of 2722242225 is about 52175.1111642323. Note that the first 4 decimals coincide. The cubic root of 2722242225 is about 1396.2898746503.

Adding to 2722242225 its reverse (5222422272), we get a palindrome (7944664497).

It can be divided in two parts, 2 and 722242225, that added together give a palindrome (722242227).

The spelling of 2722242225 in words is "two billion, seven hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-five".