188225895 has 32 divisors (see below), whose sum is σ = 353816064. Its totient is φ = 84240000.

The previous prime is 188225857. The next prime is 188225897. The reversal of 188225895 is 598522881.

188225895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 188225895 - 2²⁵ = 154671463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188225897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41731 + ... + 46020.

It is an arithmetic number, because the mean of its divisors is an integer number (11056752).

Almost surely, 2^188225895 is an apocalyptic number.

188225895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

188225895 is a deficient number, since it is larger than the sum of its proper divisors (165590169).

188225895 is a wasteful number, since it uses less digits than its factorization.

188225895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87783.

The product of its digits is 460800, while the sum is 48.

The square root of 188225895 is about 13719.5442708568. The cubic root of 188225895 is about 573.0947855709.

The spelling of 188225895 in words is "one hundred eighty-eight million, two hundred twenty-five thousand, eight hundred ninety-five".