9001722 has 32 divisors (see below), whose sum is σ = 18600192. Its totient is φ = 2902784.

The previous prime is 9001691. The next prime is 9001723. The reversal of 9001722 is 2271009.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9001723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38518 + ... + 38750.

It is an arithmetic number, because the mean of its divisors is an integer number (581256).

Almost surely, 2^9001722 is an apocalyptic number.

9001722 is an abundant number, since it is smaller than the sum of its proper divisors (9598470).

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

9001722 is a wasteful number, since it uses less digits than its factorization.

9001722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 9001722 is about 3000.2869862731. The cubic root of 9001722 is about 208.0216477716.

The spelling of 9001722 in words is "nine million, one thousand, seven hundred twenty-two".