12622266 has 24 divisors (see below), whose sum is σ = 27428544. Its totient is φ = 4195080.

The previous prime is 12622223. The next prime is 12622271. The reversal of 12622266 is 66222621.

12622266 is a `hidden beast` number, since 12 + 622 + 26 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 6945 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^12622266 is an apocalyptic number.

12622266 is an abundant number, since it is smaller than the sum of its proper divisors (14806278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12622266 is a wasteful number, since it uses less digits than its factorization.

12622266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2063 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12622266 is about 3552.7828529197. The cubic root of 12622266 is about 232.8336659074.

Adding to 12622266 its reverse (66222621), we get a palindrome (78844887).

The spelling of 12622266 in words is "twelve million, six hundred twenty-two thousand, two hundred sixty-six".