2162606225 has 12 divisors (see below), whose sum is σ = 2887911516. Its totient is φ = 1597001280.

The previous prime is 2162606209. The next prime is 2162606269. The reversal of 2162606225 is 5226062612.

It can be written as a sum of positive squares in 6 ways, for example, as 481934209 + 1680672016 = 21953^2 + 40996^2 .

It is not a de Polignac number, because 2162606225 - 2⁴ = 2162606209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2162606191 and 2162606200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3326762 + ... + 3327411.

It is an arithmetic number, because the mean of its divisors is an integer number (240659293).

Almost surely, 2^2162606225 is an apocalyptic number.

2162606225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2162606225 is a deficient number, since it is larger than the sum of its proper divisors (725305291).

2162606225 is a wasteful number, since it uses less digits than its factorization.

2162606225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654196 (or 6654191 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2162606225 is about 46503.8302185960. The cubic root of 2162606225 is about 1293.1805070525.

Adding to 2162606225 its reverse (5226062612), we get a palindrome (7388668837).

The spelling of 2162606225 in words is "two billion, one hundred sixty-two million, six hundred six thousand, two hundred twenty-five".