12222107 has 4 divisors (see below), whose sum is σ = 12229800. Its totient is φ = 12214416.

The previous prime is 12222101. The next prime is 12222109. The reversal of 12222107 is 70122221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12222107 - 2⁸ = 12221851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222101) 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, 482 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (3057450).

Almost surely, 2^12222107 is an apocalyptic number.

12222107 is a deficient number, since it is larger than the sum of its proper divisors (7693).

12222107 is an equidigital number, since it uses as much as digits as its factorization.

12222107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12222107 is about 3496.0130148499. The cubic root of 12222107 is about 230.3467171487.

Adding to 12222107 its reverse (70122221), we get a palindrome (82344328).

The spelling of 12222107 in words is "twelve million, two hundred twenty-two thousand, one hundred seven".