12209622 has 8 divisors (see below), whose sum is σ = 24419256. Its totient is φ = 4069872.

The previous prime is 12209591. The next prime is 12209623. The reversal of 12209622 is 22690221.

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

12209622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12209592 and 12209601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209623) 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, 1017463 + ... + 1017474.

It is an arithmetic number, because the mean of its divisors is an integer number (3052407).

Almost surely, 2^12209622 is an apocalyptic number.

12209622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12209622 is a wasteful number, since it uses less digits than its factorization.

12209622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034942.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12209622 is about 3494.2269531328. The cubic root of 12209622 is about 230.2682566300.

Adding to 12209622 its reverse (22690221), we get a palindrome (34899843).

The spelling of 12209622 in words is "twelve million, two hundred nine thousand, six hundred twenty-two".