12222241 has 2 divisors, whose sum is σ = 12222242. Its totient is φ = 12222240.

The previous prime is 12222211. The next prime is 12222257. The reversal of 12222241 is 14222221.

It is an a-pointer prime, because the next prime (12222257) can be obtained adding 12222241 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 225 = 3496^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222241 - 2¹¹ = 12220193 is a prime.

It is a zygodrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111120 + 6111121.

It is an arithmetic number, because the mean of its divisors is an integer number (6111121).

Almost surely, 2^12222241 is an apocalyptic number.

It is an amenable number.

12222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222241 is an equidigital number, since it uses as much as digits as its factorization.

12222241 is an evil number, because the sum of its binary digits is even.

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

The square root of 12222241 is about 3496.0321794858. The cubic root of 12222241 is about 230.3475589661.

Adding to 12222241 its reverse (14222221), we get a palindrome (26444462).

The spelling of 12222241 in words is "twelve million, two hundred twenty-two thousand, two hundred forty-one".