12023222 has 16 divisors (see below), whose sum is σ = 18488400. Its totient is φ = 5862240.

The previous prime is 12023191. The next prime is 12023239. The reversal of 12023222 is 22232021.

It is a super-2 number, since 2×12023222² = 289115734522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12023197 and 12023206.

It is a congruent number.

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, 16604 + ... + 17312.

It is an arithmetic number, because the mean of its divisors is an integer number (1155525).

Almost surely, 2^12023222 is an apocalyptic number.

12023222 is a deficient number, since it is larger than the sum of its proper divisors (6465178).

12023222 is a wasteful number, since it uses less digits than its factorization.

12023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12023222 is about 3467.4518021164. The cubic root of 12023222 is about 229.0904342069.

Adding to 12023222 its reverse (22232021), we get a palindrome (34255243).

The spelling of 12023222 in words is "twelve million, twenty-three thousand, two hundred twenty-two".