12422066 has 4 divisors (see below), whose sum is σ = 18633102. Its totient is φ = 6211032.

The previous prime is 12422051. The next prime is 12422077. The reversal of 12422066 is 66022421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66022421 = 7669 ⋅8609.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 2468041 = 3155^2 + 1571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105515 + ... + 3105518.

Almost surely, 2^12422066 is an apocalyptic number.

12422066 is a deficient number, since it is larger than the sum of its proper divisors (6211036).

12422066 is an equidigital number, since it uses as much as digits as its factorization.

12422066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211035.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12422066 is about 3524.4951411514. The cubic root of 12422066 is about 231.5961190453.

Adding to 12422066 its reverse (66022421), we get a palindrome (78444487).

The spelling of 12422066 in words is "twelve million, four hundred twenty-two thousand, sixty-six".