12223026 has 24 divisors (see below), whose sum is σ = 26548860. Its totient is φ = 4064256.

The previous prime is 12223009. The next prime is 12223031. The reversal of 12223026 is 62032221.

It can be written as a sum of positive squares in 2 ways, for example, as 11799225 + 423801 = 3435^2 + 651^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11610 + ... + 12618.

Almost surely, 2^12223026 is an apocalyptic number.

12223026 is an abundant number, since it is smaller than the sum of its proper divisors (14325834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223026 is a wasteful number, since it uses less digits than its factorization.

12223026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12223026 is about 3496.1444478168. The cubic root of 12223026 is about 230.3524903848.

Adding to 12223026 its reverse (62032221), we get a palindrome (74255247).

The spelling of 12223026 in words is "twelve million, two hundred twenty-three thousand, twenty-six".