11404422 has 16 divisors (see below), whose sum is σ = 25343280. Its totient is φ = 3801456.

The previous prime is 11404411. The next prime is 11404423. The reversal of 11404422 is 22440411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11404395 and 11404404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105543 + ... + 105650.

It is an arithmetic number, because the mean of its divisors is an integer number (1583955).

Almost surely, 2^11404422 is an apocalyptic number.

11404422 is an abundant number, since it is smaller than the sum of its proper divisors (13938858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11404422 is a wasteful number, since it uses less digits than its factorization.

11404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211204 (or 211198 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 11404422 is about 3377.0433814211. The cubic root of 11404422 is about 225.0908077904.

Adding to 11404422 its reverse (22440411), we get a palindrome (33844833).

The spelling of 11404422 in words is "eleven million, four hundred four thousand, four hundred twenty-two".