12022441 has 2 divisors, whose sum is σ = 12022442. Its totient is φ = 12022440.

The previous prime is 12022433. The next prime is 12022477. The reversal of 12022441 is 14422021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 326041 = 3420^2 + 571^2 .

It is an emirp because it is prime and its reverse (14422021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022441 - 2³ = 12022433 is a prime.

It is not a weakly prime, because it can be changed into another prime (12022411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011220 + 6011221.

It is an arithmetic number, because the mean of its divisors is an integer number (6011221).

Almost surely, 2^12022441 is an apocalyptic number.

It is an amenable number.

12022441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022441 is an equidigital number, since it uses as much as digits as its factorization.

12022441 is an evil number, because the sum of its binary digits is even.

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

The square root of 12022441 is about 3467.3391815627. The cubic root of 12022441 is about 229.0854737090.

Adding to 12022441 its reverse (14422021), we get a palindrome (26444462).

The spelling of 12022441 in words is "twelve million, twenty-two thousand, four hundred forty-one".