12223806 has 16 divisors (see below), whose sum is σ = 27940224. Its totient is φ = 3492504.

The previous prime is 12223789. The next prime is 12223817. The reversal of 12223806 is 60832221.

It is a congruent number.

It is an unprimeable number.

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, 145480 + ... + 145563.

It is an arithmetic number, because the mean of its divisors is an integer number (1746264).

Almost surely, 2^12223806 is an apocalyptic number.

12223806 is an abundant number, since it is smaller than the sum of its proper divisors (15716418).

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

12223806 is a wasteful number, since it uses less digits than its factorization.

12223806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291055.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12223806 is about 3496.2559974922. The cubic root of 12223806 is about 230.3573901840.

The spelling of 12223806 in words is "twelve million, two hundred twenty-three thousand, eight hundred six".