9818221932 has 36 divisors (see below), whose sum is σ = 24833741296. Its totient is φ = 3270702240.

The previous prime is 9818221927. The next prime is 9818221997. The reversal of 9818221932 is 2391228189.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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, 25768 + ... + 142479.

Almost surely, 2^9818221932 is an apocalyptic number.

It is an amenable number.

9818221932 is an abundant number, since it is smaller than the sum of its proper divisors (15015519364).

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

9818221932 is a wasteful number, since it uses less digits than its factorization.

9818221932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169878 (or 169873 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9818221932 is about 99086.9412788587. The cubic root of 9818221932 is about 2141.3004827162.

The spelling of 9818221932 in words is "nine billion, eight hundred eighteen million, two hundred twenty-one thousand, nine hundred thirty-two".