9221408 has 36 divisors (see below), whose sum is σ = 21122262. Its totient is φ = 3951360.

The previous prime is 9221389. The next prime is 9221423. The reversal of 9221408 is 8041229.

It can be written as a sum of positive squares in only one way, i.e., 6492304 + 2729104 = 2548^2 + 1652^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1373 + ... + 4508.

Almost surely, 2^9221408 is an apocalyptic number.

9221408 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9221408 is an abundant number, since it is smaller than the sum of its proper divisors (11900854).

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

9221408 is a wasteful number, since it uses less digits than its factorization.

9221408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 9221408 is about 3036.6771313395. The cubic root of 9221408 is about 209.7003132673.

The spelling of 9221408 in words is "nine million, two hundred twenty-one thousand, four hundred eight".