12262222 has 16 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 5188248.

The previous prime is 12262199. The next prime is 12262259. The reversal of 12262222 is 22226221.

12262222 is a modest number, since divided by 2222 gives 1226 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 12262222.

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, 4438 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^12262222 is an apocalyptic number.

12262222 is a deficient number, since it is larger than the sum of its proper divisors (9026738).

12262222 is a wasteful number, since it uses less digits than its factorization.

12262222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175.

The product of its digits is 384, while the sum is 19.

The square root of 12262222 is about 3501.7455647148. The cubic root of 12262222 is about 230.5984540897.

Adding to 12262222 its reverse (22226221), we get a palindrome (34488443).

The spelling of 12262222 in words is "twelve million, two hundred sixty-two thousand, two hundred twenty-two".