12224275 has 36 divisors (see below), whose sum is σ = 18701928. Its totient is φ = 7875840.

The previous prime is 12224257. The next prime is 12224279. The reversal of 12224275 is 57242221.

12224275 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12224275 - 2⁹ = 12223763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12224279) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20532 + ... + 21118.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^12224275 is an apocalyptic number.

12224275 is a deficient number, since it is larger than the sum of its proper divisors (6477653).

12224275 is a wasteful number, since it uses less digits than its factorization.

12224275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 616 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 12224275 is about 3496.3230685965. The cubic root of 12224275 is about 230.3603362450.

Adding to 12224275 its reverse (57242221), we get a palindrome (69466496).

The spelling of 12224275 in words is "twelve million, two hundred twenty-four thousand, two hundred seventy-five".