20222210009 has 2 divisors, whose sum is σ = 20222210010. Its totient is φ = 20222210008.

The previous prime is 20222210003. The next prime is 20222210053. The reversal of 20222210009 is 90001222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18660379609 + 1561830400 = 136603^2 + 39520^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222210009 - 2⁴ = 20222209993 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222210003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111105004 + 10111105005.

It is an arithmetic number, because the mean of its divisors is an integer number (10111105005).

Almost surely, 2^20222210009 is an apocalyptic number.

It is an amenable number.

20222210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222210009 is an equidigital number, since it uses as much as digits as its factorization.

20222210009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20222210009 in words is "twenty billion, two hundred twenty-two million, two hundred ten thousand, nine".