4002204421 has 16 divisors (see below), whose sum is σ = 4194374400. Its totient is φ = 3813808768.

The previous prime is 4002204373. The next prime is 4002204433. The reversal of 4002204421 is 1244022004.

4002204421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4002204421 - 2¹⁵ = 4002171653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002204461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916640 + ... + 1918726.

It is an arithmetic number, because the mean of its divisors is an integer number (262148400).

Almost surely, 2^4002204421 is an apocalyptic number.

It is an amenable number.

4002204421 is a deficient number, since it is larger than the sum of its proper divisors (192169979).

4002204421 is a wasteful number, since it uses less digits than its factorization.

4002204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4002204421 is about 63262.9782811401. The cubic root of 4002204421 is about 1587.6926067668.

Adding to 4002204421 its reverse (1244022004), we get a palindrome (5246226425).

The spelling of 4002204421 in words is "four billion, two million, two hundred four thousand, four hundred twenty-one".