5856428221 has 8 divisors (see below), whose sum is σ = 6701141120. Its totient is φ = 5013735408.

The previous prime is 5856428213. The next prime is 5856428231. The reversal of 5856428221 is 1228246585.

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 5856428221 - 2³ = 5856428213 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 (5856428231) 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, 498801 + ... + 510406.

It is an arithmetic number, because the mean of its divisors is an integer number (837642640).

Almost surely, 2^5856428221 is an apocalyptic number.

It is an amenable number.

5856428221 is a deficient number, since it is larger than the sum of its proper divisors (844712899).

5856428221 is a wasteful number, since it uses less digits than its factorization.

5856428221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010043.

The product of its digits is 307200, while the sum is 43.

The square root of 5856428221 is about 76527.3037614680. The cubic root of 5856428221 is about 1802.5096906418.

The spelling of 5856428221 in words is "five billion, eight hundred fifty-six million, four hundred twenty-eight thousand, two hundred twenty-one".