9722220222279 has 16 divisors (see below), whose sum is σ = 13035731121920. Its totient is φ = 6445196231040.

The previous prime is 9722220222271. The next prime is 9722220222347.

9722220222279 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9722220222279 - 2³ = 9722220222271 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 (9722220222271) 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, 12303427 + ... + 13069764.

It is an arithmetic number, because the mean of its divisors is an integer number (814733195120).

Almost surely, 2^{9722220222279} is an apocalyptic number.

9722220222279 is a deficient number, since it is larger than the sum of its proper divisors (3313510899641).

9722220222279 is a wasteful number, since it uses less digits than its factorization.

9722220222279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25373910.

The product of its (nonzero) digits is 1016064, while the sum is 48.

It can be divided in two parts, 9722220 and 222279, that added together give a palindrome (9944499).

The spelling of 9722220222279 in words is "nine trillion, seven hundred twenty-two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred seventy-nine".