12223894 has 12 divisors (see below), whose sum is σ = 18584964. Its totient is φ = 6029492.

The previous prime is 12223891. The next prime is 12223909. The reversal of 12223894 is 49832221.

12223894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51027 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (1548747).

Almost surely, 2^12223894 is an apocalyptic number.

12223894 is a deficient number, since it is larger than the sum of its proper divisors (6361070).

12223894 is an equidigital number, since it uses as much as digits as its factorization.

12223894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 348 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12223894 is about 3496.2685823603. The cubic root of 12223894 is about 230.3579429688.

The spelling of 12223894 in words is "twelve million, two hundred twenty-three thousand, eight hundred ninety-four".