12227471 has 16 divisors (see below), whose sum is σ = 13553568. Its totient is φ = 10982400.

The previous prime is 12227459. The next prime is 12227483. The reversal of 12227471 is 17472221.

It is an interprime number because it is at equal distance from previous prime (12227459) and next prime (12227483).

It is a cyclic number.

It is not a de Polignac number, because 12227471 - 2²² = 8033167 is a prime.

It is a super-3 number, since 3×12227471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12227471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36776 + ... + 37106.

It is an arithmetic number, because the mean of its divisors is an integer number (847098).

Almost surely, 2^12227471 is an apocalyptic number.

12227471 is a deficient number, since it is larger than the sum of its proper divisors (1326097).

12227471 is a wasteful number, since it uses less digits than its factorization.

12227471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 1568, while the sum is 26.

The square root of 12227471 is about 3496.7800903117. The cubic root of 12227471 is about 230.3804101685.

Adding to 12227471 its reverse (17472221), we get a palindrome (29699692).

The spelling of 12227471 in words is "twelve million, two hundred twenty-seven thousand, four hundred seventy-one".