12774222 has 12 divisors (see below), whose sum is σ = 27677520. Its totient is φ = 4258068.

The previous prime is 12774211. The next prime is 12774227. The reversal of 12774222 is 22247721.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12774227) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 354822 + ... + 354857.

It is an arithmetic number, because the mean of its divisors is an integer number (2306460).

Almost surely, 2^12774222 is an apocalyptic number.

12774222 is an abundant number, since it is smaller than the sum of its proper divisors (14903298).

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

12774222 is a wasteful number, since it uses less digits than its factorization.

12774222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709687 (or 709684 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 12774222 is about 3574.1043633336. The cubic root of 12774222 is about 233.7642815871.

It can be divided in two parts, 12774 and 222, that added together give a square (12996 = 114²).

The spelling of 12774222 in words is "twelve million, seven hundred seventy-four thousand, two hundred twenty-two".