9722559 has 16 divisors (see below), whose sum is σ = 16162560. Its totient is φ = 5050560.

The previous prime is 9722549. The next prime is 9722579. The reversal of 9722559 is 9552279.

It is not a de Polignac number, because 9722559 - 2¹⁶ = 9657023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20814 + ... + 21275.

It is an arithmetic number, because the mean of its divisors is an integer number (1010160).

Almost surely, 2^9722559 is an apocalyptic number.

9722559 is a deficient number, since it is larger than the sum of its proper divisors (6440001).

9722559 is a wasteful number, since it uses less digits than its factorization.

9722559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42110.

The product of its digits is 56700, while the sum is 39.

The square root of 9722559 is about 3118.1018264322. The cubic root of 9722559 is about 213.4323252063.

The spelling of 9722559 in words is "nine million, seven hundred twenty-two thousand, five hundred fifty-nine".