12220324 has 24 divisors (see below), whose sum is σ = 22265600. Its totient is φ = 5862240.

The previous prime is 12220301. The next prime is 12220333. The reversal of 12220324 is 42302221.

It is a junction number, because it is equal to n+sod(n) for n = 12220298 and 12220307.

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, 16882 + ... + 17590.

Almost surely, 2^12220324 is an apocalyptic number.

It is an amenable number.

12220324 is a deficient number, since it is larger than the sum of its proper divisors (10045276).

12220324 is a wasteful number, since it uses less digits than its factorization.

12220324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12220324 is about 3495.7580007775. The cubic root of 12220324 is about 230.3355153657.

Adding to 12220324 its reverse (42302221), we get a palindrome (54522545).

It can be divided in two parts, 12220 and 324, that added together give a square (12544 = 112²).

The spelling of 12220324 in words is "twelve million, two hundred twenty thousand, three hundred twenty-four".