12025224 has 24 divisors (see below), whose sum is σ = 32568510. Its totient is φ = 4008384.

The previous prime is 12025183. The next prime is 12025229. The reversal of 12025224 is 42252021.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 3132900 = 2982^2 + 1770^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12025197 and 12025206.

It is not an unprimeable number, because it can be changed into a prime (12025229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83437 + ... + 83580.

Almost surely, 2^12025224 is an apocalyptic number.

It is an amenable number.

12025224 is an abundant number, since it is smaller than the sum of its proper divisors (20543286).

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

12025224 is a wasteful number, since it uses less digits than its factorization.

12025224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167029 (or 167022 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12025224 is about 3467.7404747184. The cubic root of 12025224 is about 229.1031488685.

Adding to 12025224 its reverse (42252021), we get a palindrome (54277245).

The spelling of 12025224 in words is "twelve million, twenty-five thousand, two hundred twenty-four".