12224401 has 4 divisors (see below), whose sum is σ = 13970752. Its totient is φ = 10478052.

The previous prime is 12224389. The next prime is 12224413. The reversal of 12224401 is 10442221.

12224401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10442221 = 607 ⋅17203.

It is an interprime number because it is at equal distance from previous prime (12224389) and next prime (12224413).

It is a cyclic number.

It is not a de Polignac number, because 12224401 - 2¹³ = 12216209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873165 + ... + 873178.

It is an arithmetic number, because the mean of its divisors is an integer number (3492688).

Almost surely, 2^12224401 is an apocalyptic number.

It is an amenable number.

12224401 is a deficient number, since it is larger than the sum of its proper divisors (1746351).

12224401 is an equidigital number, since it uses as much as digits as its factorization.

12224401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746350.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 12224401 is about 3496.3410874799. The cubic root of 12224401 is about 230.3611277113.

Adding to 12224401 its reverse (10442221), we get a palindrome (22666622).

The spelling of 12224401 in words is "twelve million, two hundred twenty-four thousand, four hundred one".