4221200500 has 96 divisors (see below), whose sum is σ = 10329516288. Its totient is φ = 1493424000.

The previous prime is 4221200449. The next prime is 4221200579. The reversal of 4221200500 is 50021224.

It is a super-2 number, since 2×4221200500² = 35637067322400500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193129 + ... + 213871.

It is an arithmetic number, because the mean of its divisors is an integer number (107599128).

Almost surely, 2^4221200500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4221200500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5164758144).

4221200500 is an abundant number, since it is smaller than the sum of its proper divisors (6108315788).

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

4221200500 is a wasteful number, since it uses less digits than its factorization.

4221200500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20810 (or 20798 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4221200500 is about 64970.7665030974. The cubic root of 4221200500 is about 1616.1388128029.

Adding to 4221200500 its reverse (50021224), we get a palindrome (4271221724).

The spelling of 4221200500 in words is "four billion, two hundred twenty-one million, two hundred thousand, five hundred".