22120220222209 has 4 divisors (see below), whose sum is σ = 22833775713280. Its totient is φ = 21406664731140.

The previous prime is 22120220222173. The next prime is 22120220222213. The reversal of 22120220222209 is 90222202202122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22120220222209 - 2¹⁹ = 22120219697921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120220222249) 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, 356777745489 + ... + 356777745550.

It is an arithmetic number, because the mean of its divisors is an integer number (5708443928320).

Almost surely, 2^{22120220222209} is an apocalyptic number.

It is an amenable number.

22120220222209 is a deficient number, since it is larger than the sum of its proper divisors (713555491071).

22120220222209 is an equidigital number, since it uses as much as digits as its factorization.

22120220222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713555491070.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 22120220222209 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty-two thousand, two hundred nine".