12220024 has 16 divisors (see below), whose sum is σ = 22957920. Its totient is φ = 6097920.

The previous prime is 12220003. The next prime is 12220031. The reversal of 12220024 is 42002221.

It is a junction number, because it is equal to n+sod(n) for n = 12219986 and 12220013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3937 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (1434870).

Almost surely, 2^12220024 is an apocalyptic number.

It is an amenable number.

12220024 is a deficient number, since it is larger than the sum of its proper divisors (10737896).

12220024 is a wasteful number, since it uses less digits than its factorization.

12220024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 12220024 is about 3495.7150913654. The cubic root of 12220024 is about 230.3336304943. Note that the first 3 decimals are identical.

Adding to 12220024 its reverse (42002221), we get a palindrome (54222245).

The spelling of 12220024 in words is "twelve million, two hundred twenty thousand, twenty-four".