12234421 has 2 divisors, whose sum is σ = 12234422. Its totient is φ = 12234420.

The previous prime is 12234379. The next prime is 12234427. The reversal of 12234421 is 12443221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 2686321 = 3090^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234421 - 2⁹ = 12233909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12234427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117210 + 6117211.

It is an arithmetic number, because the mean of its divisors is an integer number (6117211).

Almost surely, 2^12234421 is an apocalyptic number.

It is an amenable number.

12234421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234421 is an equidigital number, since it uses as much as digits as its factorization.

12234421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 12234421 is about 3497.7737205257. The cubic root of 12234421 is about 230.4240507160.

Adding to 12234421 its reverse (12443221), we get a palindrome (24677642).

It can be divided in two parts, 122 and 34421, that added together give a palindrome (34543).

The spelling of 12234421 in words is "twelve million, two hundred thirty-four thousand, four hundred twenty-one".