4428820866 has 8 divisors (see below), whose sum is σ = 8857641744. Its totient is φ = 1476273620.

The previous prime is 4428820831. The next prime is 4428820901. The reversal of 4428820866 is 6680288244.

It is an interprime number because it is at equal distance from previous prime (4428820831) and next prime (4428820901).

It is a sphenic number, since it is the product of 3 distinct primes.

4428820866 is an admirable number.

It is a super-2 number, since 2×4428820866² = 39228908526233979912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369068400 + ... + 369068411.

It is an arithmetic number, because the mean of its divisors is an integer number (1107205218).

Almost surely, 2^4428820866 is an apocalyptic number.

4428820866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4428820866 is a wasteful number, since it uses less digits than its factorization.

4428820866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738136816.

The product of its (nonzero) digits is 1179648, while the sum is 48.

The square root of 4428820866 is about 66549.3866688492. The cubic root of 4428820866 is about 1642.2125681039.

The spelling of 4428820866 in words is "four billion, four hundred twenty-eight million, eight hundred twenty thousand, eight hundred sixty-six".