4845533221 has 4 divisors (see below), whose sum is σ = 4846345344. Its totient is φ = 4844721100.

The previous prime is 4845533207. The next prime is 4845533249. The reversal of 4845533221 is 1223355484.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4845533221 - 2⁷ = 4845533093 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 (4845533201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397045 + ... + 409066.

It is an arithmetic number, because the mean of its divisors is an integer number (1211586336).

Almost surely, 2^4845533221 is an apocalyptic number.

It is an amenable number.

4845533221 is a deficient number, since it is larger than the sum of its proper divisors (812123).

4845533221 is an equidigital number, since it uses as much as digits as its factorization.

4845533221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812122.

The product of its digits is 115200, while the sum is 37.

The square root of 4845533221 is about 69609.8643943515. The cubic root of 4845533221 is about 1692.1824704196.

The spelling of 4845533221 in words is "four billion, eight hundred forty-five million, five hundred thirty-three thousand, two hundred twenty-one".