108631228 has 24 divisors (see below), whose sum is σ = 192536064. Its totient is φ = 53625600.

The previous prime is 108631219. The next prime is 108631249. The reversal of 108631228 is 822136801.

It is a self number, because there is not a number n which added to its sum of digits gives 108631228.

It is a congruent number.

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, 142368 + ... + 143128.

It is an arithmetic number, because the mean of its divisors is an integer number (8022336).

Almost surely, 2^108631228 is an apocalyptic number.

It is an amenable number.

108631228 is a deficient number, since it is larger than the sum of its proper divisors (83904836).

108631228 is a wasteful number, since it uses less digits than its factorization.

108631228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 108631228 is about 10422.6305700624. The cubic root of 108631228 is about 477.1463027673.

The spelling of 108631228 in words is "one hundred eight million, six hundred thirty-one thousand, two hundred twenty-eight".