11404220 has 24 divisors (see below), whose sum is σ = 24065664. Its totient is φ = 4539456.

The previous prime is 11404207. The next prime is 11404231. The reversal of 11404220 is 2240411.

11404220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11404195 and 11404204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 5738.

It is an arithmetic number, because the mean of its divisors is an integer number (1002736).

Almost surely, 2^11404220 is an apocalyptic number.

11404220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404220 is an abundant number, since it is smaller than the sum of its proper divisors (12661444).

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

11404220 is a wasteful number, since it uses less digits than its factorization.

11404220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11404220 is about 3377.0134734703. The cubic root of 11404220 is about 225.0894788143.

Adding to 11404220 its reverse (2240411), we get a palindrome (13644631).

The spelling of 11404220 in words is "eleven million, four hundred four thousand, two hundred twenty".