12222023309 has 2 divisors, whose sum is σ = 12222023310. Its totient is φ = 12222023308.

The previous prime is 12222023293. The next prime is 12222023323. The reversal of 12222023309 is 90332022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11492483209 + 729540100 = 107203^2 + 27010^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222023309 - 2⁴ = 12222023293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222023369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111011654 + 6111011655.

It is an arithmetic number, because the mean of its divisors is an integer number (6111011655).

Almost surely, 2^12222023309 is an apocalyptic number.

It is an amenable number.

12222023309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222023309 is an equidigital number, since it uses as much as digits as its factorization.

12222023309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 12222023309 in words is "twelve billion, two hundred twenty-two million, twenty-three thousand, three hundred nine".