12230522 has 4 divisors (see below), whose sum is σ = 18345786. Its totient is φ = 6115260.

The previous prime is 12230521. The next prime is 12230527. The reversal of 12230522 is 22503221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10569001 + 1661521 = 3251^2 + 1289^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12230522.

It is not an unprimeable number, because it can be changed into a prime (12230521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057629 + ... + 3057632.

Almost surely, 2^12230522 is an apocalyptic number.

12230522 is a deficient number, since it is larger than the sum of its proper divisors (6115264).

12230522 is an equidigital number, since it uses as much as digits as its factorization.

12230522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115263.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12230522 is about 3497.2163215906. The cubic root of 12230522 is about 230.3995700907.

Adding to 12230522 its reverse (22503221), we get a palindrome (34733743).

The spelling of 12230522 in words is "twelve million, two hundred thirty thousand, five hundred twenty-two".