11224457 has 4 divisors (see below), whose sum is σ = 11234820. Its totient is φ = 11214096.

The previous prime is 11224453. The next prime is 11224463. The reversal of 11224457 is 75442211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75442211 = 13 ⋅5803247.

It can be written as a sum of positive squares in 2 ways, for example, as 10310521 + 913936 = 3211^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 11224457 - 2² = 11224453 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11224453) 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 in 3 ways as a sum of consecutive naturals, for example, 3338 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (2808705).

Almost surely, 2^11224457 is an apocalyptic number.

It is an amenable number.

11224457 is a deficient number, since it is larger than the sum of its proper divisors (10363).

11224457 is an equidigital number, since it uses as much as digits as its factorization.

11224457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362.

The product of its digits is 2240, while the sum is 26.

The square root of 11224457 is about 3350.2920768196. The cubic root of 11224457 is about 223.9005258256.

Adding to 11224457 its reverse (75442211), we get a palindrome (86666668).

The spelling of 11224457 in words is "eleven million, two hundred twenty-four thousand, four hundred fifty-seven".