12206622 has 48 divisors (see below), whose sum is σ = 26453520. Its totient is φ = 3749760.

The previous prime is 12206609. The next prime is 12206641. The reversal of 12206622 is 22660221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167178 + ... + 167250.

It is an arithmetic number, because the mean of its divisors is an integer number (551115).

Almost surely, 2^12206622 is an apocalyptic number.

12206622 is an abundant number, since it is smaller than the sum of its proper divisors (14246898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12206622 is a wasteful number, since it uses less digits than its factorization.

12206622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12206622 is about 3493.7976472601. The cubic root of 12206622 is about 230.2493955122.

Adding to 12206622 its reverse (22660221), we get a palindrome (34866843).

The spelling of 12206622 in words is "twelve million, two hundred six thousand, six hundred twenty-two".