4915032221 has 24 divisors (see below), whose sum is σ = 5517499680. Its totient is φ = 4373489120.

The previous prime is 4915032211. The next prime is 4915032253. The reversal of 4915032221 is 1222305194.

It is not a de Polignac number, because 4915032221 - 2²² = 4910837917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4915032211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4225586 + ... + 4226748.

It is an arithmetic number, because the mean of its divisors is an integer number (229895820).

Almost surely, 2^4915032221 is an apocalyptic number.

It is an amenable number.

4915032221 is a deficient number, since it is larger than the sum of its proper divisors (602467459).

4915032221 is a wasteful number, since it uses less digits than its factorization.

4915032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4915032221 is about 70107.2907834841. The cubic root of 4915032221 is about 1700.2343645745.

The spelling of 4915032221 in words is "four billion, nine hundred fifteen million, thirty-two thousand, two hundred twenty-one".