9722137 has 2 divisors, whose sum is σ = 9722138. Its totient is φ = 9722136.

The previous prime is 9722117. The next prime is 9722177. The reversal of 9722137 is 7312279.

9722137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 118336 = 3099^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 9722137 - 2¹¹ = 9720089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9722099 and 9722108.

It is not a weakly prime, because it can be changed into another prime (9722107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861068 + 4861069.

It is an arithmetic number, because the mean of its divisors is an integer number (4861069).

Almost surely, 2^9722137 is an apocalyptic number.

It is an amenable number.

9722137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9722137 is an equidigital number, since it uses as much as digits as its factorization.

9722137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 31.

The square root of 9722137 is about 3118.0341563235. The cubic root of 9722137 is about 213.4292372077.

The spelling of 9722137 in words is "nine million, seven hundred twenty-two thousand, one hundred thirty-seven".