11224405 has 4 divisors (see below), whose sum is σ = 13469292. Its totient is φ = 8979520.

The previous prime is 11224373. The next prime is 11224439. The reversal of 11224405 is 50442211.

11224405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2686321 + 8538084 = 1639^2 + 2922^2 .

It is not a de Polignac number, because 11224405 - 2⁵ = 11224373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122436 + ... + 1122445.

It is an arithmetic number, because the mean of its divisors is an integer number (3367323).

Almost surely, 2^11224405 is an apocalyptic number.

It is an amenable number.

11224405 is a deficient number, since it is larger than the sum of its proper divisors (2244887).

11224405 is an equidigital number, since it uses as much as digits as its factorization.

11224405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244886.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11224405 is about 3350.2843162932. The cubic root of 11224405 is about 223.9001800673.

Adding to 11224405 its reverse (50442211), we get a palindrome (61666616).

The spelling of 11224405 in words is "eleven million, two hundred twenty-four thousand, four hundred five".