3801409221 has 16 divisors (see below), whose sum is σ = 5113963008. Its totient is φ = 2511615600.

The previous prime is 3801409201. The next prime is 3801409229. The reversal of 3801409221 is 1229041083.

3801409221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3801409221 - 2⁷ = 3801409093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3801409229) 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, 312760 + ... + 324686.

It is an arithmetic number, because the mean of its divisors is an integer number (319622688).

Almost surely, 2^3801409221 is an apocalyptic number.

It is an amenable number.

3801409221 is a deficient number, since it is larger than the sum of its proper divisors (1312553787).

3801409221 is a wasteful number, since it uses less digits than its factorization.

3801409221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12872.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3801409221 is about 61655.5692618274. The cubic root of 3801409221 is about 1560.6836283001.

The spelling of 3801409221 in words is "three billion, eight hundred one million, four hundred nine thousand, two hundred twenty-one".