4511223500 has 48 divisors (see below), whose sum is σ = 11260022592. Its totient is φ = 1546704000.

The previous prime is 4511223491. The next prime is 4511223503. The reversal of 4511223500 is 53221154.

It is a super-2 number, since 2×4511223500² = 40702274933904500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4511223503) 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 15 ways as a sum of consecutive naturals, for example, 640961 + ... + 647960.

It is an arithmetic number, because the mean of its divisors is an integer number (234583804).

Almost surely, 2^4511223500 is an apocalyptic number.

It is an amenable number.

4511223500 is an abundant number, since it is smaller than the sum of its proper divisors (6748799092).

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

4511223500 is a wasteful number, since it uses less digits than its factorization.

4511223500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288947 (or 1288935 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4511223500 is about 67165.6422585238. The cubic root of 4511223500 is about 1652.3350471582.

Adding to 4511223500 its reverse (53221154), we get a palindrome (4564444654).

The spelling of 4511223500 in words is "four billion, five hundred eleven million, two hundred twenty-three thousand, five hundred".