9216861200 has 60 divisors (see below), whose sum is σ = 22907107140. Its totient is φ = 3559610880.

The previous prime is 9216861197. The next prime is 9216861239. The reversal of 9216861200 is 21686129.

It can be written as a sum of positive squares in 6 ways, for example, as 494795536 + 8722065664 = 22244^2 + 93392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385679 + ... + 408878.

It is an arithmetic number, because the mean of its divisors is an integer number (381785119).

Almost surely, 2^9216861200 is an apocalyptic number.

It is an amenable number.

9216861200 is an abundant number, since it is smaller than the sum of its proper divisors (13690245940).

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

9216861200 is a wasteful number, since it uses less digits than its factorization.

9216861200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794604 (or 794593 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9216861200 is about 96004.4853118853. The cubic root of 9216861200 is about 2096.6584195393.

The spelling of 9216861200 in words is "nine billion, two hundred sixteen million, eight hundred sixty-one thousand, two hundred".