12226455 has 24 divisors (see below), whose sum is σ = 22115808. Its totient is φ = 6236736.

The previous prime is 12226453. The next prime is 12226457. The reversal of 12226455 is 55462221.

12226455 is a `hidden beast` number, since 12 + 2 + 2 + 645 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12226453) and next prime (12226457).

It is not a de Polignac number, because 12226455 - 2¹ = 12226453 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4872 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (921492).

Almost surely, 2^12226455 is an apocalyptic number.

12226455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12226455 is a deficient number, since it is larger than the sum of its proper divisors (9889353).

12226455 is a wasteful number, since it uses less digits than its factorization.

12226455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847 (or 11844 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 12226455 is about 3496.6348107859. The cubic root of 12226455 is about 230.3740291003.

Adding to 12226455 its reverse (55462221), we get a palindrome (67688676).

The spelling of 12226455 in words is "twelve million, two hundred twenty-six thousand, four hundred fifty-five".