12222622 has 8 divisors (see below), whose sum is σ = 18355536. Its totient is φ = 6104112.

The previous prime is 12222593. The next prime is 12222629. The reversal of 12222622 is 22622221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12222622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1143 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (2294442).

Almost surely, 2^12222622 is an apocalyptic number.

12222622 is a deficient number, since it is larger than the sum of its proper divisors (6132914).

12222622 is an equidigital number, since it uses as much as digits as its factorization.

12222622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202.

The product of its digits is 384, while the sum is 19.

The square root of 12222622 is about 3496.0866694062. The cubic root of 12222622 is about 230.3499524581.

Adding to 12222622 its reverse (22622221), we get a palindrome (34844843).

It can be divided in two parts, 1222 and 2622, that added together give a square (3844 = 62²).

The spelling of 12222622 in words is "twelve million, two hundred twenty-two thousand, six hundred twenty-two".