9722279 has 16 divisors (see below), whose sum is σ = 11750400. Its totient is φ = 7867104.

The previous prime is 9722269. The next prime is 9722287.

9722279 is nontrivially palindromic in base 10.

9722279 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9722279 - 2¹² = 9718183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722269) 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, 9032 + ... + 10050.

It is an arithmetic number, because the mean of its divisors is an integer number (734400).

Almost surely, 2^9722279 is an apocalyptic number.

9722279 is a deficient number, since it is larger than the sum of its proper divisors (2028121).

9722279 is a wasteful number, since it uses less digits than its factorization.

9722279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 31752, while the sum is 38.

The square root of 9722279 is about 3118.0569269980. The cubic root of 9722279 is about 213.4302763072.

It can be divided in two parts, 9722 and 279, that added together give a palindrome (10001).

The spelling of 9722279 in words is "nine million, seven hundred twenty-two thousand, two hundred seventy-nine".