9118722 has 32 divisors (see below), whose sum is σ = 18754560. Its totient is φ = 2954880.

The previous prime is 9118721. The next prime is 9118751. The reversal of 9118722 is 2278119.

It is a self number, because there is not a number n which added to its sum of digits gives 9118722.

It is not an unprimeable number, because it can be changed into a prime (9118721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47647 + ... + 47837.

It is an arithmetic number, because the mean of its divisors is an integer number (586080).

Almost surely, 2^9118722 is an apocalyptic number.

9118722 is an abundant number, since it is smaller than the sum of its proper divisors (9635838).

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

9118722 is a wasteful number, since it uses less digits than its factorization.

9118722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its digits is 2016, while the sum is 30.

The square root of 9118722 is about 3019.7221726510. The cubic root of 9118722 is about 208.9190257350.

The spelling of 9118722 in words is "nine million, one hundred eighteen thousand, seven hundred twenty-two".