12422122 has 4 divisors (see below), whose sum is σ = 18633186. Its totient is φ = 6211060.

The previous prime is 12422119. The next prime is 12422129. The reversal of 12422122 is 22122421.

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., 12173121 + 249001 = 3489^2 + 499^2 .

It is a super-2 number, since 2×12422122² = 308618229965768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12422096 and 12422105.

It is not an unprimeable number, because it can be changed into a prime (12422129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105529 + ... + 3105532.

Almost surely, 2^12422122 is an apocalyptic number.

12422122 is a deficient number, since it is larger than the sum of its proper divisors (6211064).

12422122 is an equidigital number, since it uses as much as digits as its factorization.

12422122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211063.

The product of its digits is 128, while the sum is 16.

The square root of 12422122 is about 3524.5030855427. The cubic root of 12422122 is about 231.5964670648.

Adding to 12422122 its reverse (22122421), we get a palindrome (34544543).

It can be divided in two parts, 12422 and 122, that added together give a square (12544 = 112²).

The spelling of 12422122 in words is "twelve million, four hundred twenty-two thousand, one hundred twenty-two".