8821219320 has 96 divisors (see below), whose sum is σ = 28681445520. Its totient is φ = 2351301120.

The previous prime is 8821219307. The next prime is 8821219327. The reversal of 8821219320 is 239121288.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821219327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201260 + ... + 1208580.

Almost surely, 2^8821219320 is an apocalyptic number.

It is an amenable number.

8821219320 is an abundant number, since it is smaller than the sum of its proper divisors (19860226200).

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

8821219320 is a wasteful number, since it uses less digits than its factorization.

8821219320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685 (or 10678 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8821219320 is about 93921.3464554251. The cubic root of 8821219320 is about 2066.2183142320.

The spelling of 8821219320 in words is "eight billion, eight hundred twenty-one million, two hundred nineteen thousand, three hundred twenty".