12223205 has 8 divisors (see below), whose sum is σ = 14717472. Its totient is φ = 9745488.

The previous prime is 12223199. The next prime is 12223271. The reversal of 12223205 is 50232221.

12223205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12223205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (1839684).

Almost surely, 2^12223205 is an apocalyptic number.

It is an amenable number.

12223205 is a deficient number, since it is larger than the sum of its proper divisors (2494267).

12223205 is an equidigital number, since it uses as much as digits as its factorization.

12223205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12223205 is about 3496.1700473518. The cubic root of 12223205 is about 230.3536148443.

Adding to 12223205 its reverse (50232221), we get a palindrome (62455426).

It can be divided in two parts, 122 and 23205, that multiplied together give a triangular number (2831010 = T₂₃₇₉).

The spelling of 12223205 in words is "twelve million, two hundred twenty-three thousand, two hundred five".