9221608 has 32 divisors (see below), whose sum is σ = 19308960. Its totient is φ = 4092480.

The previous prime is 9221567. The next prime is 9221617. The reversal of 9221608 is 8061229.

It is a happy number.

9221608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (603405).

Almost surely, 2^9221608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9221608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9654480).

9221608 is an abundant number, since it is smaller than the sum of its proper divisors (10087352).

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

9221608 is a wasteful number, since it uses less digits than its factorization.

9221608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9221608 is about 3036.7100618926. The cubic root of 9221608 is about 209.7018292961.

The spelling of 9221608 in words is "nine million, two hundred twenty-one thousand, six hundred eight".