1222210000009 has 4 divisors (see below), whose sum is σ = 1234311089220. Its totient is φ = 1210108910800.

The previous prime is 1222210000001. The next prime is 1222210000013. The reversal of 1222210000009 is 9000000122221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1077749193609 + 144460806400 = 1038147^2 + 380080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222210000009 - 2³ = 1222210000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222210000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050544454 + ... + 6050544655.

It is an arithmetic number, because the mean of its divisors is an integer number (308577772305).

Almost surely, 2^{1222210000009} is an apocalyptic number.

It is an amenable number.

1222210000009 is a deficient number, since it is larger than the sum of its proper divisors (12101089211).

1222210000009 is a wasteful number, since it uses less digits than its factorization.

1222210000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101089210.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 1222210000009 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, nine", and thus it is an aban number.