2162446225 has 6 divisors (see below), whose sum is σ = 2681433350. Its totient is φ = 1729956960.

The previous prime is 2162446211. The next prime is 2162446243. The reversal of 2162446225 is 5226442612.

It can be written as a sum of positive squares in 3 ways, for example, as 15421329 + 2147024896 = 3927^2 + 46336^2 .

It is not a de Polignac number, because 2162446225 - 2²¹ = 2160349073 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43248900 + ... + 43248949.

Almost surely, 2^2162446225 is an apocalyptic number.

2162446225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2162446225 is a deficient number, since it is larger than the sum of its proper divisors (518987125).

2162446225 is an equidigital number, since it uses as much as digits as its factorization.

2162446225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86497859 (or 86497854 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 2162446225 is about 46502.1098983691. The cubic root of 2162446225 is about 1293.1486143633.

Adding to 2162446225 its reverse (5226442612), we get a palindrome (7388888837).

The spelling of 2162446225 in words is "two billion, one hundred sixty-two million, four hundred forty-six thousand, two hundred twenty-five".