12205022 has 4 divisors (see below), whose sum is σ = 18307536. Its totient is φ = 6102510.

The previous prime is 12205021. The next prime is 12205033. The reversal of 12205022 is 22050221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12204988 and 12205006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051254 + ... + 3051257.

It is an arithmetic number, because the mean of its divisors is an integer number (4576884).

Almost surely, 2^12205022 is an apocalyptic number.

12205022 is a deficient number, since it is larger than the sum of its proper divisors (6102514).

12205022 is an equidigital number, since it uses as much as digits as its factorization.

12205022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102513.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12205022 is about 3493.5686625570. The cubic root of 12205022 is about 230.2393349857.

Adding to 12205022 its reverse (22050221), we get a palindrome (34255243).

The spelling of 12205022 in words is "twelve million, two hundred five thousand, twenty-two".