4402818 has 48 divisors (see below), whose sum is σ = 11059776. Its totient is φ = 1239840.

The previous prime is 4402817. The next prime is 4402823. The reversal of 4402818 is 8182044.

It is a super-2 number, since 2×4402818² = 38769612682248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4402791 and 4402800.

It is not an unprimeable number, because it can be changed into a prime (4402817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10248 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (230412).

Almost surely, 2^4402818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4402818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529888).

4402818 is an abundant number, since it is smaller than the sum of its proper divisors (6656958).

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

4402818 is a wasteful number, since it uses less digits than its factorization.

4402818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 516 counting only the distinct ones).

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

The square root of 4402818 is about 2098.2893032182. The cubic root of 4402818 is about 163.8992291900.

The spelling of 4402818 in words is "four million, four hundred two thousand, eight hundred eighteen".