9220279820 has 24 divisors (see below), whose sum is σ = 19367341728. Its totient is φ = 3687206400.

The previous prime is 9220279801. The next prime is 9220279843. The reversal of 9220279820 is 289720229.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30140 + ... + 139100.

It is an arithmetic number, because the mean of its divisors is an integer number (806972572).

Almost surely, 2^9220279820 is an apocalyptic number.

It is an amenable number.

9220279820 is an abundant number, since it is smaller than the sum of its proper divisors (10147061908).

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

9220279820 is a wasteful number, since it uses less digits than its factorization.

9220279820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113201 (or 113199 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 9220279820 is about 96022.2881418684. The cubic root of 9220279820 is about 2096.9176109005.

The spelling of 9220279820 in words is "nine billion, two hundred twenty million, two hundred seventy-nine thousand, eight hundred twenty".