12062266 has 4 divisors (see below), whose sum is σ = 18093402. Its totient is φ = 6031132.

The previous prime is 12062257. The next prime is 12062269. The reversal of 12062266 is 66226021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66226021 = 167 ⋅396563.

It can be written as a sum of positive squares in only one way, i.e., 6610041 + 5452225 = 2571^2 + 2335^2 .

It is a super-2 number, since 2×12062266² = 290996522109512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12062266.

It is not an unprimeable number, because it can be changed into a prime (12062269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3015565 + ... + 3015568.

Almost surely, 2^12062266 is an apocalyptic number.

12062266 is a deficient number, since it is larger than the sum of its proper divisors (6031136).

12062266 is an equidigital number, since it uses as much as digits as its factorization.

12062266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031135.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12062266 is about 3473.0773098219. The cubic root of 12062266 is about 229.3381476778.

Adding to 12062266 its reverse (66226021), we get a palindrome (78288287).

The spelling of 12062266 in words is "twelve million, sixty-two thousand, two hundred sixty-six".