2122212206 has 16 divisors (see below), whose sum is σ = 3217759584. Its totient is φ = 1049648544.

The previous prime is 2122212179. The next prime is 2122212227. The reversal of 2122212206 is 6022122212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200216 + ... + 210548.

It is an arithmetic number, because the mean of its divisors is an integer number (201109974).

Almost surely, 2^2122212206 is an apocalyptic number.

2122212206 is a deficient number, since it is larger than the sum of its proper divisors (1095547378).

2122212206 is a wasteful number, since it uses less digits than its factorization.

2122212206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2122212206 is about 46067.4744912286. The cubic root of 2122212206 is about 1285.0783372632.

Adding to 2122212206 its reverse (6022122212), we get a palindrome (8144334418).

The spelling of 2122212206 in words is "two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred six".