9216922 has 48 divisors (see below), whose sum is σ = 17023392. Its totient is φ = 3706560.

The previous prime is 9216913. The next prime is 9216943. The reversal of 9216922 is 2296129.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 137533 + ... + 137599.

It is an arithmetic number, because the mean of its divisors is an integer number (354654).

Almost surely, 2^9216922 is an apocalyptic number.

9216922 is the 2479-th pentagonal number.

9216922 is a deficient number, since it is larger than the sum of its proper divisors (7806470).

9216922 is a wasteful number, since it uses less digits than its factorization.

9216922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 130 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 9216922 is about 3035.9384051723. The cubic root of 9216922 is about 209.6663029806. Note that the first 3 decimals are identical.

The spelling of 9216922 in words is "nine million, two hundred sixteen thousand, nine hundred twenty-two".