12226641 has 8 divisors (see below), whose sum is σ = 18631104. Its totient is φ = 6986640.

The previous prime is 12226637. The next prime is 12226649. The reversal of 12226641 is 14662221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12226641 - 2² = 12226637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12226649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291090 + ... + 291131.

It is an arithmetic number, because the mean of its divisors is an integer number (2328888).

Almost surely, 2^12226641 is an apocalyptic number.

It is an amenable number.

12226641 is a deficient number, since it is larger than the sum of its proper divisors (6404463).

12226641 is an equidigital number, since it uses as much as digits as its factorization.

12226641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582231.

The product of its digits is 1152, while the sum is 24.

The square root of 12226641 is about 3496.6614076859. The cubic root of 12226641 is about 230.3751973144.

Adding to 12226641 its reverse (14662221), we get a palindrome (26888862).

The spelling of 12226641 in words is "twelve million, two hundred twenty-six thousand, six hundred forty-one".