9923228 has 12 divisors (see below), whose sum is σ = 19846512. Its totient is φ = 4252800.

The previous prime is 9923227. The next prime is 9923261. The reversal of 9923228 is 8223299.

9923228 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 177173 + ... + 177228.

It is an arithmetic number, because the mean of its divisors is an integer number (1653876).

Almost surely, 2^9923228 is an apocalyptic number.

It is an amenable number.

9923228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9923228 is a wasteful number, since it uses less digits than its factorization.

9923228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354412 (or 354410 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 9923228 is about 3150.1155534361. The cubic root of 9923228 is about 214.8907178535.

The spelling of 9923228 in words is "nine million, nine hundred twenty-three thousand, two hundred twenty-eight".