4808915221 has 12 divisors (see below), whose sum is σ = 5297213376. Its totient is φ = 4362328520.

The previous prime is 4808915201. The next prime is 4808915249. The reversal of 4808915221 is 1225198084.

It is not a de Polignac number, because 4808915221 - 2⁹ = 4808914709 is a prime.

It is a super-3 number, since 3×4808915221³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4808915201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13956 + ... + 99058.

It is an arithmetic number, because the mean of its divisors is an integer number (441434448).

Almost surely, 2^4808915221 is an apocalyptic number.

It is an amenable number.

4808915221 is a deficient number, since it is larger than the sum of its proper divisors (488298155).

4808915221 is a wasteful number, since it uses less digits than its factorization.

4808915221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85592 (or 85581 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 4808915221 is about 69346.3425207127. The cubic root of 4808915221 is about 1687.9090442229.

It can be divided in two parts, 4808 and 915221, that added together give a palindrome (920029).

The spelling of 4808915221 in words is "four billion, eight hundred eight million, nine hundred fifteen thousand, two hundred twenty-one".