108228420 has 192 divisors, whose sum is σ = 354816000. Its totient is φ = 27361152.

The previous prime is 108228391. The next prime is 108228473. The reversal of 108228420 is 24822801.

108228420 is a `hidden beast` number, since 10 + 8 + 228 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1369941 + ... + 1370019.

It is an arithmetic number, because the mean of its divisors is an integer number (1848000).

Almost surely, 2^108228420 is an apocalyptic number.

108228420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108228420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177408000).

108228420 is an abundant number, since it is smaller than the sum of its proper divisors (246587580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108228420 is a wasteful number, since it uses less digits than its factorization.

108228420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 108228420 is about 10403.2889030345. The cubic root of 108228420 is about 476.5558144973. Note that the first 3 decimals are identical.

The spelling of 108228420 in words is "one hundred eight million, two hundred twenty-eight thousand, four hundred twenty".