108181228 has 24 divisors (see below), whose sum is σ = 192496752. Its totient is φ = 53190144.

The previous prime is 108181219. The next prime is 108181237. The reversal of 108181228 is 822181801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108181219) and next prime (108181237).

It is a self number, because there is not a number n which added to its sum of digits gives 108181228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61051 + ... + 62797.

It is an arithmetic number, because the mean of its divisors is an integer number (8020698).

Almost surely, 2^108181228 is an apocalyptic number.

It is an amenable number.

108181228 is a deficient number, since it is larger than the sum of its proper divisors (84315524).

108181228 is a wasteful number, since it uses less digits than its factorization.

108181228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 31.

The square root of 108181228 is about 10401.0205268522. The cubic root of 108181228 is about 476.4865385111.

The spelling of 108181228 in words is "one hundred eight million, one hundred eighty-one thousand, two hundred twenty-eight".