12223436 has 12 divisors (see below), whose sum is σ = 21581112. Its totient is φ = 6057408.

The previous prime is 12223429. The next prime is 12223439. The reversal of 12223436 is 63432221.

12223436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12223439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13070 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (1798426).

Almost surely, 2^12223436 is an apocalyptic number.

It is an amenable number.

12223436 is a deficient number, since it is larger than the sum of its proper divisors (9357676).

12223436 is a wasteful number, since it uses less digits than its factorization.

12223436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27160 (or 27158 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 12223436 is about 3496.2030833463. The cubic root of 12223436 is about 230.3550659463.

Adding to 12223436 its reverse (63432221), we get a palindrome (75655657).

The spelling of 12223436 in words is "twelve million, two hundred twenty-three thousand, four hundred thirty-six".