188085225 has 24 divisors (see below), whose sum is σ = 318204832. Its totient is φ = 97977600.

The previous prime is 188085187. The next prime is 188085259. The reversal of 188085225 is 522580881.

It is not a de Polignac number, because 188085225 - 2¹⁰ = 188084201 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25936 + ... + 32385.

Almost surely, 2^188085225 is an apocalyptic number.

188085225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188085225 is a deficient number, since it is larger than the sum of its proper divisors (130119607).

188085225 is a wasteful number, since it uses less digits than its factorization.

188085225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58377 (or 58372 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 188085225 is about 13714.4166846425. The cubic root of 188085225 is about 572.9519831599.

The spelling of 188085225 in words is "one hundred eighty-eight million, eighty-five thousand, two hundred twenty-five".