12223851 has 8 divisors (see below), whose sum is σ = 16565904. Its totient is φ = 8015520.

The previous prime is 12223831. The next prime is 12223853. The reversal of 12223851 is 15832221.

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

It is not a de Polignac number, because 12223851 - 2¹⁰ = 12222827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12223853) 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, 33216 + ... + 33581.

It is an arithmetic number, because the mean of its divisors is an integer number (2070738).

Almost surely, 2^12223851 is an apocalyptic number.

12223851 is a deficient number, since it is larger than the sum of its proper divisors (4342053).

12223851 is an equidigital number, since it uses as much as digits as its factorization.

12223851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66861.

The product of its digits is 960, while the sum is 24.

The square root of 12223851 is about 3496.2624329418. The cubic root of 12223851 is about 230.3576728584.

The spelling of 12223851 in words is "twelve million, two hundred twenty-three thousand, eight hundred fifty-one".