12227782 has 16 divisors (see below), whose sum is σ = 21007872. Its totient is φ = 5229000.

The previous prime is 12227779. The next prime is 12227783. The reversal of 12227782 is 28772221.

12227782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9933 + ... + 11095.

It is an arithmetic number, because the mean of its divisors is an integer number (1312992).

Almost surely, 2^12227782 is an apocalyptic number.

12227782 is a deficient number, since it is larger than the sum of its proper divisors (8780090).

12227782 is a wasteful number, since it uses less digits than its factorization.

12227782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its digits is 6272, while the sum is 31.

The square root of 12227782 is about 3496.8245595111. The cubic root of 12227782 is about 230.3823633579.

The spelling of 12227782 in words is "twelve million, two hundred twenty-seven thousand, seven hundred eighty-two".