12222006 has 16 divisors (see below), whose sum is σ = 24809664. Its totient is φ = 4013064.

The previous prime is 12221981. The next prime is 12222013. The reversal of 12222006 is 60022221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14800 + ... + 15603.

It is an arithmetic number, because the mean of its divisors is an integer number (1550604).

Almost surely, 2^12222006 is an apocalyptic number.

12222006 is an abundant number, since it is smaller than the sum of its proper divisors (12587658).

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

12222006 is a wasteful number, since it uses less digits than its factorization.

12222006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12222006 is about 3495.9985697938. The cubic root of 12222006 is about 230.3460826405.

Adding to 12222006 its reverse (60022221), we get a palindrome (72244227).

The spelling of 12222006 in words is "twelve million, two hundred twenty-two thousand, six".