12266226 has 48 divisors (see below), whose sum is σ = 30848064. Its totient is φ = 3449952.

The previous prime is 12266213. The next prime is 12266237. The reversal of 12266226 is 62266221.

12266226 is a `hidden beast` number, since 12 + 26 + 622 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12266226.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7716 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (642668).

Almost surely, 2^12266226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12266226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15424032).

12266226 is an abundant number, since it is smaller than the sum of its proper divisors (18581838).

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

12266226 is a wasteful number, since it uses less digits than its factorization.

12266226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1532 counting only the distinct ones).

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

The square root of 12266226 is about 3502.3172329188. The cubic root of 12266226 is about 230.6235505670.

The spelling of 12266226 in words is "twelve million, two hundred sixty-six thousand, two hundred twenty-six".