188228036 has 12 divisors (see below), whose sum is σ = 330961680. Its totient is φ = 93667560.

The previous prime is 188228011. The next prime is 188228039. The reversal of 188228036 is 630822881.

It is not an unprimeable number, because it can be changed into a prime (188228039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110666 + ... + 112353.

It is an arithmetic number, because the mean of its divisors is an integer number (27580140).

Almost surely, 2^188228036 is an apocalyptic number.

It is an amenable number.

188228036 is a deficient number, since it is larger than the sum of its proper divisors (142733644).

188228036 is a wasteful number, since it uses less digits than its factorization.

188228036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223234 (or 223232 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 188228036 is about 13719.6222980081. The cubic root of 188228036 is about 573.0969584765.

The spelling of 188228036 in words is "one hundred eighty-eight million, two hundred twenty-eight thousand, thirty-six".