9722659 has 2 divisors, whose sum is σ = 9722660. Its totient is φ = 9722658.

The previous prime is 9722641. The next prime is 9722677. The reversal of 9722659 is 9562279.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9722641) and next prime (9722677).

It is a cyclic number.

It is not a de Polignac number, because 9722659 - 2¹⁵ = 9689891 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9722639) by changing a digit.

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 as a sum of consecutive naturals, namely, 4861329 + 4861330.

It is an arithmetic number, because the mean of its divisors is an integer number (4861330).

Almost surely, 2^9722659 is an apocalyptic number.

9722659 is a deficient number, since it is larger than the sum of its proper divisors (1).

9722659 is an equidigital number, since it uses as much as digits as its factorization.

9722659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 9722659 is about 3118.1178617878. The cubic root of 9722659 is about 213.4330569464.

The spelling of 9722659 in words is "nine million, seven hundred twenty-two thousand, six hundred fifty-nine".