12025222 has 48 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 4942080.

The previous prime is 12025183. The next prime is 12025229. The reversal of 12025222 is 22252021.

It is a junction number, because it is equal to n+sod(n) for n = 12025196 and 12025205.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 152179 + ... + 152257.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^12025222 is an apocalyptic number.

12025222 is a deficient number, since it is larger than the sum of its proper divisors (9808058).

12025222 is a wasteful number, since it uses less digits than its factorization.

12025222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12025222 is about 3467.7401863461. The cubic root of 12025222 is about 229.1031361672.

Adding to 12025222 its reverse (22252021), we get a palindrome (34277243).

The spelling of 12025222 in words is "twelve million, twenty-five thousand, two hundred twenty-two".