8821200 has 60 divisors (see below), whose sum is σ = 28261088. Its totient is φ = 2352000.

The previous prime is 8821193. The next prime is 8821201. The reversal of 8821200 is 21288.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821201) 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, 2476 + ... + 4875.

Almost surely, 2^8821200 is an apocalyptic number.

8821200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8821200 is an abundant number, since it is smaller than the sum of its proper divisors (19439888).

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

8821200 is a wasteful number, since it uses less digits than its factorization.

8821200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 8821200 is about 2970.0505046211. The cubic root of 8821200 is about 206.6216805772.

Adding to 8821200 its reverse (21288), we get a palindrome (8842488).

The spelling of 8821200 in words is "eight million, eight hundred twenty-one thousand, two hundred".