12202205 has 8 divisors (see below), whose sum is σ = 14671800. Its totient is φ = 9742336.

The previous prime is 12202181. The next prime is 12202207. The reversal of 12202205 is 50220221.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 10278436 = 1387^2 + 3206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202205 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 4989.

It is an arithmetic number, because the mean of its divisors is an integer number (1833975).

Almost surely, 2^12202205 is an apocalyptic number.

It is an amenable number.

12202205 is a deficient number, since it is larger than the sum of its proper divisors (2469595).

12202205 is an equidigital number, since it uses as much as digits as its factorization.

12202205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12202205 is about 3493.1654698854. The cubic root of 12202205 is about 230.2216200344.

Adding to 12202205 its reverse (50220221), we get a palindrome (62422426).

The spelling of 12202205 in words is "twelve million, two hundred two thousand, two hundred five".