11405224 has 8 divisors (see below), whose sum is σ = 21384810. Its totient is φ = 5702608.

The previous prime is 11405201. The next prime is 11405239. The reversal of 11405224 is 42250411.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 842724 = 3250^2 + 918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 712819 + ... + 712834.

Almost surely, 2^11405224 is an apocalyptic number.

It is an amenable number.

11405224 is a deficient number, since it is larger than the sum of its proper divisors (9979586).

11405224 is a wasteful number, since it uses less digits than its factorization.

11405224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425659 (or 1425655 counting only the distinct ones).

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

The square root of 11405224 is about 3377.1621222559. The cubic root of 11405224 is about 225.0960840653.

Adding to 11405224 its reverse (42250411), we get a palindrome (53655635).

The spelling of 11405224 in words is "eleven million, four hundred five thousand, two hundred twenty-four".