4228840872 has 80 divisors (see below), whose sum is σ = 11885629140. Its totient is φ = 1404739584.

The previous prime is 4228840853. The next prime is 4228840873. The reversal of 4228840872 is 2780488224.

It can be written as a sum of positive squares in 2 ways, for example, as 4192044516 + 36796356 = 64746^2 + 6066^2 .

It is not an unprimeable number, because it can be changed into a prime (4228840873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 178728 + ... + 201000.

Almost surely, 2^4228840872 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 4228840872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5942814570).

4228840872 is an abundant number, since it is smaller than the sum of its proper divisors (7656788268).

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

4228840872 is a wasteful number, since it uses less digits than its factorization.

4228840872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22584 (or 22571 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The square root of 4228840872 is about 65029.5384575348. The cubic root of 4228840872 is about 1617.1132954030.

The spelling of 4228840872 in words is "four billion, two hundred twenty-eight million, eight hundred forty thousand, eight hundred seventy-two".