4081221804 has 96 divisors (see below), whose sum is σ = 10816436736. Its totient is φ = 1186721280.

The previous prime is 4081221797. The next prime is 4081221817.

4081221804 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350809 + ... + 362255.

It is an arithmetic number, because the mean of its divisors is an integer number (112671216).

Almost surely, 2^4081221804 is an apocalyptic number.

4081221804 is a gapful number since it is divisible by the number (44) 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 4081221804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5408218368).

4081221804 is an abundant number, since it is smaller than the sum of its proper divisors (6735214932).

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

4081221804 is a wasteful number, since it uses less digits than its factorization.

4081221804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11575 (or 11573 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 4081221804 is about 63884.4410165730. The cubic root of 4081221804 is about 1598.0734368818.

The spelling of 4081221804 in words is "four billion, eighty-one million, two hundred twenty-one thousand, eight hundred four".