12222403309 has 2 divisors, whose sum is σ = 12222403310. Its totient is φ = 12222403308.

The previous prime is 12222403279. The next prime is 12222403313. The reversal of 12222403309 is 90330422221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10515887209 + 1706516100 = 102547^2 + 41310^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222403309 - 2¹³ = 12222395117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222433309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111201654 + 6111201655.

It is an arithmetic number, because the mean of its divisors is an integer number (6111201655).

Almost surely, 2^12222403309 is an apocalyptic number.

It is an amenable number.

12222403309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222403309 is an equidigital number, since it uses as much as digits as its factorization.

12222403309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 12222403309 in words is "twelve billion, two hundred twenty-two million, four hundred three thousand, three hundred nine".