9722145 has 16 divisors (see below), whose sum is σ = 15638400. Its totient is φ = 5157504.

The previous prime is 9722137. The next prime is 9722177. The reversal of 9722145 is 5412279.

9722145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9722145 - 2³ = 9722137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (977400).

Almost surely, 2^9722145 is an apocalyptic number.

It is an amenable number.

9722145 is a deficient number, since it is larger than the sum of its proper divisors (5916255).

9722145 is a wasteful number, since it uses less digits than its factorization.

9722145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its digits is 5040, while the sum is 30.

The square root of 9722145 is about 3118.0354391828. The cubic root of 9722145 is about 213.4292957488.

The spelling of 9722145 in words is "nine million, seven hundred twenty-two thousand, one hundred forty-five".