12224031 has 4 divisors (see below), whose sum is σ = 16298712. Its totient is φ = 8149352.

The previous prime is 12224029. The next prime is 12224053. The reversal of 12224031 is 13042221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13042221 = 3 ⋅4347407.

It is a cyclic number.

It is not a de Polignac number, because 12224031 - 2¹ = 12224029 is a prime.

It is a super-2 number, since 2×12224031² = 298853867777922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12224031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037336 + ... + 2037341.

It is an arithmetic number, because the mean of its divisors is an integer number (4074678).

Almost surely, 2^12224031 is an apocalyptic number.

12224031 is a deficient number, since it is larger than the sum of its proper divisors (4074681).

12224031 is an equidigital number, since it uses as much as digits as its factorization.

12224031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074680.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12224031 is about 3496.2881746218. The cubic root of 12224031 is about 230.3588035489.

Adding to 12224031 its reverse (13042221), we get a palindrome (25266252).

It can be divided in two parts, 1222 and 4031, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 12224031 in words is "twelve million, two hundred twenty-four thousand, thirty-one".