222122111209 has 8 divisors (see below), whose sum is σ = 224256651008. Its totient is φ = 219996302400.

The previous prime is 222122111203. The next prime is 222122111213. The reversal of 222122111209 is 902111221222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222122111209 - 2³ = 222122111201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122111201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2131617 + ... + 2233390.

It is an arithmetic number, because the mean of its divisors is an integer number (28032081376).

Almost surely, 2^222122111209 is an apocalyptic number.

It is an amenable number.

222122111209 is a deficient number, since it is larger than the sum of its proper divisors (2134539799).

222122111209 is a wasteful number, since it uses less digits than its factorization.

222122111209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365495.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222122111209 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred nine".