12366222 has 16 divisors (see below), whose sum is σ = 26980992. Its totient is φ = 3747320.

The previous prime is 12366197. The next prime is 12366247. The reversal of 12366222 is 22266321.

It is an interprime number because it is at equal distance from previous prime (12366197) and next prime (12366247).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12366192 and 12366201.

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, 93618 + ... + 93749.

It is an arithmetic number, because the mean of its divisors is an integer number (1686312).

Almost surely, 2^12366222 is an apocalyptic number.

12366222 is an abundant number, since it is smaller than the sum of its proper divisors (14614770).

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

12366222 is a wasteful number, since it uses less digits than its factorization.

12366222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187383.

The product of its digits is 1728, while the sum is 24.

The square root of 12366222 is about 3516.5639479469. The cubic root of 12366222 is about 231.2485471543.

Subtracting 12366222 from its reverse (22266321), we obtain a palindrome (9900099).

The spelling of 12366222 in words is "twelve million, three hundred sixty-six thousand, two hundred twenty-two".