2112658225 has 24 divisors (see below), whose sum is σ = 2685506688. Its totient is φ = 1647940800.

The previous prime is 2112658217. The next prime is 2112658267. The reversal of 2112658225 is 5228562112.

It is not a de Polignac number, because 2112658225 - 2³ = 2112658217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322230 + ... + 328720.

It is an arithmetic number, because the mean of its divisors is an integer number (111896112).

Almost surely, 2^2112658225 is an apocalyptic number.

2112658225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112658225 is a deficient number, since it is larger than the sum of its proper divisors (572848463).

2112658225 is a wasteful number, since it uses less digits than its factorization.

2112658225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6820 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 2112658225 is about 45963.6620059803. The cubic root of 2112658225 is about 1283.1470059875.

The spelling of 2112658225 in words is "two billion, one hundred twelve million, six hundred fifty-eight thousand, two hundred twenty-five".