9979227 has 16 divisors (see below), whose sum is σ = 14896000. Its totient is φ = 6602472.

The previous prime is 9979213. The next prime is 9979243. The reversal of 9979227 is 7229799.

It is not a de Polignac number, because 9979227 - 2⁶ = 9979163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9979297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (931000).

Almost surely, 2^9979227 is an apocalyptic number.

9979227 is a deficient number, since it is larger than the sum of its proper divisors (4916773).

9979227 is a wasteful number, since it uses less digits than its factorization.

9979227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2801 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9979227 is about 3158.9914529799. The cubic root of 9979227 is about 215.2941853471.

The spelling of 9979227 in words is "nine million, nine hundred seventy-nine thousand, two hundred twenty-seven".