4522511220 has 48 divisors (see below), whose sum is σ = 12781395648. Its totient is φ = 1194730240.

The previous prime is 4522511209. The next prime is 4522511243. The reversal of 4522511220 is 221152254.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 345801 + ... + 358640.

It is an arithmetic number, because the mean of its divisors is an integer number (266279076).

Almost surely, 2^4522511220 is an apocalyptic number.

It is an amenable number.

4522511220 is an abundant number, since it is smaller than the sum of its proper divisors (8258884428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4522511220 is a wasteful number, since it uses less digits than its factorization.

4522511220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704560 (or 704558 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4522511220 is about 67249.6187349787. The cubic root of 4522511220 is about 1653.7120247529.

Adding to 4522511220 its reverse (221152254), we get a palindrome (4743663474).

The spelling of 4522511220 in words is "four billion, five hundred twenty-two million, five hundred eleven thousand, two hundred twenty".