9222661321 has 2 divisors, whose sum is σ = 9222661322. Its totient is φ = 9222661320.

The previous prime is 9222661297. The next prime is 9222661411. The reversal of 9222661321 is 1231662229.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8600707600 + 621953721 = 92740^2 + 24939^2 .

It is a cyclic number.

It is not a de Polignac number, because 9222661321 - 2⁵ = 9222661289 is a prime.

It is not a weakly prime, because it can be changed into another prime (9222668321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4611330660 + 4611330661.

It is an arithmetic number, because the mean of its divisors is an integer number (4611330661).

Almost surely, 2^9222661321 is an apocalyptic number.

It is an amenable number.

9222661321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9222661321 is an equidigital number, since it uses as much as digits as its factorization.

9222661321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 9222661321 is about 96034.6881132021. The cubic root of 9222661321 is about 2097.0981325910.

The spelling of 9222661321 in words is "nine billion, two hundred twenty-two million, six hundred sixty-one thousand, three hundred twenty-one".