2107221206 has 8 divisors (see below), whose sum is σ = 3163254120. Its totient is φ = 1052803168.

The previous prime is 2107221203. The next prime is 2107221253. The reversal of 2107221206 is 6021227012.

It is a happy number.

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

It is a super-2 number, since 2×2107221206² = 8880762422032188872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107221203) 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, 400451 + ... + 405678.

It is an arithmetic number, because the mean of its divisors is an integer number (395406765).

Almost surely, 2^2107221206 is an apocalyptic number.

2107221206 is a deficient number, since it is larger than the sum of its proper divisors (1056032914).

2107221206 is a wasteful number, since it uses less digits than its factorization.

2107221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807438.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2107221206 is about 45904.4791496429. The cubic root of 2107221206 is about 1282.0453152499.

Adding to 2107221206 its reverse (6021227012), we get a palindrome (8128448218).

The spelling of 2107221206 in words is "two billion, one hundred seven million, two hundred twenty-one thousand, two hundred six".