11224481 has 2 divisors, whose sum is σ = 11224482. Its totient is φ = 11224480.

The previous prime is 11224463. The next prime is 11224487. The reversal of 11224481 is 18442211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8317456 + 2907025 = 2884^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224481 - 2¹⁴ = 11208097 is a prime.

It is a super-2 number, since 2×11224481² = 251977947438722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11224487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612240 + 5612241.

It is an arithmetic number, because the mean of its divisors is an integer number (5612241).

Almost surely, 2^11224481 is an apocalyptic number.

It is an amenable number.

11224481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11224481 is an equidigital number, since it uses as much as digits as its factorization.

11224481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 23.

The square root of 11224481 is about 3350.2956585949. The cubic root of 11224481 is about 223.9006854059.

Adding to 11224481 its reverse (18442211), we get a palindrome (29666692).

The spelling of 11224481 in words is "eleven million, two hundred twenty-four thousand, four hundred eighty-one".