4032221004 has 36 divisors (see below), whose sum is σ = 11648639184. Its totient is φ = 1152063072.

The previous prime is 4032220999. The next prime is 4032221009. The reversal of 4032221004 is 4001222304.

It is an interprime number because it is at equal distance from previous prime (4032220999) and next prime (4032221009).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4032221009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8000187 + ... + 8000690.

Almost surely, 2^4032221004 is an apocalyptic number.

It is an amenable number.

4032221004 is an abundant number, since it is smaller than the sum of its proper divisors (7616418180).

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

4032221004 is a wasteful number, since it uses less digits than its factorization.

4032221004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000894 (or 16000889 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4032221004 is about 63499.7716846289. The cubic root of 4032221004 is about 1591.6519629037.

Adding to 4032221004 its reverse (4001222304), we get a palindrome (8033443308).

The spelling of 4032221004 in words is "four billion, thirty-two million, two hundred twenty-one thousand, four".