12225044 has 24 divisors (see below), whose sum is σ = 23161320. Its totient is φ = 5612544.

The previous prime is 12225043. The next prime is 12225049. The reversal of 12225044 is 44052221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 12180100 = 212^2 + 3490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225041) 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, 11612 + ... + 12620.

It is an arithmetic number, because the mean of its divisors is an integer number (965055).

Almost surely, 2^12225044 is an apocalyptic number.

It is an amenable number.

12225044 is a deficient number, since it is larger than the sum of its proper divisors (10936276).

12225044 is a wasteful number, since it uses less digits than its factorization.

12225044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12225044 is about 3496.4330395419. The cubic root of 12225044 is about 230.3651666170.

Adding to 12225044 its reverse (44052221), we get a palindrome (56277265).

The spelling of 12225044 in words is "twelve million, two hundred twenty-five thousand, forty-four".