12227744 has 12 divisors (see below), whose sum is σ = 24073434. Its totient is φ = 6113856.

The previous prime is 12227741. The next prime is 12227753. The reversal of 12227744 is 44772221.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 4048144 = 2860^2 + 2012^2 .

It is a super-3 number, since 3×12227744³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12227741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191027 + ... + 191090.

Almost surely, 2^12227744 is an apocalyptic number.

It is an amenable number.

12227744 is a deficient number, since it is larger than the sum of its proper divisors (11845690).

12227744 is an equidigital number, since it uses as much as digits as its factorization.

12227744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382127 (or 382119 counting only the distinct ones).

The product of its digits is 6272, while the sum is 29.

The square root of 12227744 is about 3496.8191260058. The cubic root of 12227744 is about 230.3821247063.

Adding to 12227744 its reverse (44772221), we get a palindrome (56999965).

The spelling of 12227744 in words is "twelve million, two hundred twenty-seven thousand, seven hundred forty-four".