12237226 has 4 divisors (see below), whose sum is σ = 18355842. Its totient is φ = 6118612.

The previous prime is 12237133. The next prime is 12237227. The reversal of 12237226 is 62273221.

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., 12215025 + 22201 = 3495^2 + 149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12237226.

It is not an unprimeable number, because it can be changed into a prime (12237227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059305 + ... + 3059308.

Almost surely, 2^12237226 is an apocalyptic number.

12237226 is a deficient number, since it is larger than the sum of its proper divisors (6118616).

12237226 is an equidigital number, since it uses as much as digits as its factorization.

12237226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118615.

The product of its digits is 2016, while the sum is 25.

The square root of 12237226 is about 3498.1746668799. The cubic root of 12237226 is about 230.4416592342.

The spelling of 12237226 in words is "twelve million, two hundred thirty-seven thousand, two hundred twenty-six".