3579881221 has 8 divisors (see below), whose sum is σ = 4152357440. Its totient is φ = 3022671168.

The previous prime is 3579881189. The next prime is 3579881297. The reversal of 3579881221 is 1221889753.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3579881221 - 2⁵ = 3579881189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3579887221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816036 + ... + 3816973.

It is an arithmetic number, because the mean of its divisors is an integer number (519044680).

Almost surely, 2^3579881221 is an apocalyptic number.

It is an amenable number.

3579881221 is a deficient number, since it is larger than the sum of its proper divisors (572476219).

3579881221 is an equidigital number, since it uses as much as digits as its factorization.

3579881221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633083.

The product of its digits is 241920, while the sum is 46.

The square root of 3579881221 is about 59832.1086123496. The cubic root of 3579881221 is about 1529.7584907934.

The spelling of 3579881221 in words is "three billion, five hundred seventy-nine million, eight hundred eighty-one thousand, two hundred twenty-one".