12242205 has 64 divisors (see below), whose sum is σ = 23328000. Its totient is φ = 6080256.

The previous prime is 12242203. The next prime is 12242221. The reversal of 12242205 is 50224221.

It is not a de Polignac number, because 12242205 - 2¹ = 12242203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 207466 + ... + 207524.

It is an arithmetic number, because the mean of its divisors is an integer number (364500).

Almost surely, 2^12242205 is an apocalyptic number.

12242205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12242205 is a deficient number, since it is larger than the sum of its proper divisors (11085795).

12242205 is a wasteful number, since it uses less digits than its factorization.

12242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 149 counting only the distinct ones).

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

The square root of 12242205 is about 3498.8862513663. The cubic root of 12242205 is about 230.4729085125.

Adding to 12242205 its reverse (50224221), we get a palindrome (62466426).

The spelling of 12242205 in words is "twelve million, two hundred forty-two thousand, two hundred five".