4228180908 has 96 divisors (see below), whose sum is σ = 11962427904. Its totient is φ = 1134701568.

The previous prime is 4228180843. The next prime is 4228180921. The reversal of 4228180908 is 8090818224.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4228180908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778410 + ... + 783822.

It is an arithmetic number, because the mean of its divisors is an integer number (124608624).

Almost surely, 2^4228180908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4228180908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5981213952).

4228180908 is an abundant number, since it is smaller than the sum of its proper divisors (7734246996).

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

4228180908 is a wasteful number, since it uses less digits than its factorization.

4228180908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991 (or 5989 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 4228180908 is about 65024.4639193588. The cubic root of 4228180908 is about 1617.0291673787.

It can be divided in two parts, 4228 and 180908, that added together give a triangular number (185136 = T₆₀₈).

The spelling of 4228180908 in words is "four billion, two hundred twenty-eight million, one hundred eighty thousand, nine hundred eight".