9963228 has 24 divisors (see below), whose sum is σ = 25361280. Its totient is φ = 3019120.

The previous prime is 9963227. The next prime is 9963251. The reversal of 9963228 is 8223699.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9963223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37608 + ... + 37871.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720).

Almost surely, 2^9963228 is an apocalyptic number.

It is an amenable number.

9963228 is an abundant number, since it is smaller than the sum of its proper divisors (15398052).

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

9963228 is a wasteful number, since it uses less digits than its factorization.

9963228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75497 (or 75495 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 9963228 is about 3156.4581416518. The cubic root of 9963228 is about 215.1790684118.

It can be divided in two parts, 996 and 3228, that added together give a palindrome (4224).

The spelling of 9963228 in words is "nine million, nine hundred sixty-three thousand, two hundred twenty-eight".