12223245 has 8 divisors (see below), whose sum is σ = 19557216. Its totient is φ = 6519056.

The previous prime is 12223199. The next prime is 12223271. The reversal of 12223245 is 54232221.

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

It is a cyclic number.

It is not a de Polignac number, because 12223245 - 2⁸ = 12222989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407427 + ... + 407456.

It is an arithmetic number, because the mean of its divisors is an integer number (2444652).

Almost surely, 2^12223245 is an apocalyptic number.

12223245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12223245 is a deficient number, since it is larger than the sum of its proper divisors (7333971).

12223245 is an equidigital number, since it uses as much as digits as its factorization.

12223245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814891.

The product of its digits is 960, while the sum is 21.

The square root of 12223245 is about 3496.1757678927. The cubic root of 12223245 is about 230.3538661187.

Adding to 12223245 its reverse (54232221), we get a palindrome (66455466).

The spelling of 12223245 in words is "twelve million, two hundred twenty-three thousand, two hundred forty-five".