3884712221 has 16 divisors (see below), whose sum is σ = 4290814080. Its totient is φ = 3494836800.

The previous prime is 3884712199. The next prime is 3884712229. The reversal of 3884712221 is 1222174883.

It is not a de Polignac number, because 3884712221 - 2¹⁰ = 3884711197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884712229) 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, 85370 + ... + 122708.

It is an arithmetic number, because the mean of its divisors is an integer number (268175880).

Almost surely, 2^3884712221 is an apocalyptic number.

It is an amenable number.

3884712221 is a deficient number, since it is larger than the sum of its proper divisors (406101859).

3884712221 is a wasteful number, since it uses less digits than its factorization.

3884712221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556.

The product of its digits is 43008, while the sum is 38.

The square root of 3884712221 is about 62327.4596065009. The cubic root of 3884712221 is about 1572.0014801258.

The spelling of 3884712221 in words is "three billion, eight hundred eighty-four million, seven hundred twelve thousand, two hundred twenty-one".