9722211223 has 4 divisors (see below), whose sum is σ = 9959338368. Its totient is φ = 9485084080.

The previous prime is 9722211211. The next prime is 9722211271. The reversal of 9722211223 is 3221122279.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9722211223 - 2⁹ = 9722210711 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118563511 + ... + 118563592.

It is an arithmetic number, because the mean of its divisors is an integer number (2489834592).

Almost surely, 2^9722211223 is an apocalyptic number.

9722211223 is a deficient number, since it is larger than the sum of its proper divisors (237127145).

9722211223 is a wasteful number, since it uses less digits than its factorization.

9722211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237127144.

The product of its digits is 6048, while the sum is 31.

The square root of 9722211223 is about 98601.2739420744. The cubic root of 9722211223 is about 2134.2978034336.

The spelling of 9722211223 in words is "nine billion, seven hundred twenty-two million, two hundred eleven thousand, two hundred twenty-three".