12211022 has 16 divisors (see below), whose sum is σ = 19232640. Its totient is φ = 5803512.

The previous prime is 12211021. The next prime is 12211057. The reversal of 12211022 is 22011221.

It is a happy number.

It is a super-3 number, since 3×12211022³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210994 and 12211012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7493 + ... + 8975.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^12211022 is an apocalyptic number.

12211022 is a deficient number, since it is larger than the sum of its proper divisors (7021618).

12211022 is a wasteful number, since it uses less digits than its factorization.

12211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12211022 is about 3494.4272778239. The cubic root of 12211022 is about 230.2770574277.

Adding to 12211022 its reverse (22011221), we get a palindrome (34222243).

The spelling of 12211022 in words is "twelve million, two hundred eleven thousand, twenty-two".