11424220 has 12 divisors (see below), whose sum is σ = 23990904. Its totient is φ = 4569680.

The previous prime is 11424209. The next prime is 11424233. The reversal of 11424220 is 2242411.

It is a junction number, because it is equal to n+sod(n) for n = 11424194 and 11424203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285586 + ... + 285625.

It is an arithmetic number, because the mean of its divisors is an integer number (1999242).

Almost surely, 2^11424220 is an apocalyptic number.

11424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11424220 is an abundant number, since it is smaller than the sum of its proper divisors (12566684).

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

11424220 is a wasteful number, since it uses less digits than its factorization.

11424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571220 (or 571218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11424220 is about 3379.9733726762. The cubic root of 11424220 is about 225.2209845343.

Adding to 11424220 its reverse (2242411), we get a palindrome (13666631).

The spelling of 11424220 in words is "eleven million, four hundred twenty-four thousand, two hundred twenty".