212285895 has 16 divisors (see below), whose sum is σ = 340771200. Its totient is φ = 112847904.

The previous prime is 212285869. The next prime is 212285897. The reversal of 212285895 is 598582212.

It is not a de Polignac number, because 212285895 - 2⁷ = 212285767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212285897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18445 + ... + 27654.

It is an arithmetic number, because the mean of its divisors is an integer number (21298200).

Almost surely, 2^212285895 is an apocalyptic number.

212285895 is a deficient number, since it is larger than the sum of its proper divisors (128485305).

212285895 is a wasteful number, since it uses less digits than its factorization.

212285895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46414.

The product of its digits is 115200, while the sum is 42.

The square root of 212285895 is about 14570.0341454645. The cubic root of 212285895 is about 596.5411123659.

The spelling of 212285895 in words is "two hundred twelve million, two hundred eighty-five thousand, eight hundred ninety-five".