12022207 has 4 divisors (see below), whose sum is σ = 12029200. Its totient is φ = 12015216.

The previous prime is 12022181. The next prime is 12022223. The reversal of 12022207 is 70222021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 70222021 = 29 ⋅2421449.

It is a cyclic number.

It is not a de Polignac number, because 12022207 - 2¹⁹ = 11497919 is a prime.

It is a super-2 number, since 2×12022207² = 289066922301698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078 + ... + 5020.

It is an arithmetic number, because the mean of its divisors is an integer number (3007300).

Almost surely, 2^12022207 is an apocalyptic number.

12022207 is a deficient number, since it is larger than the sum of its proper divisors (6993).

12022207 is an equidigital number, since it uses as much as digits as its factorization.

12022207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12022207 is about 3467.3054379446. The cubic root of 12022207 is about 229.0839874232.

Adding to 12022207 its reverse (70222021), we get a palindrome (82244228).

The spelling of 12022207 in words is "twelve million, twenty-two thousand, two hundred seven".