11224420 has 24 divisors (see below), whose sum is σ = 24958584. Its totient is φ = 4225536.

The previous prime is 11224373. The next prime is 11224439. The reversal of 11224420 is 2442211.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 10291264 = 966^2 + 3208^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11224394 and 11224403.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 16167 + ... + 16846.

It is an arithmetic number, because the mean of its divisors is an integer number (1039941).

Almost surely, 2^11224420 is an apocalyptic number.

11224420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224420 is an abundant number, since it is smaller than the sum of its proper divisors (13734164).

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

11224420 is a wasteful number, since it uses less digits than its factorization.

11224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33039 (or 33037 counting only the distinct ones).

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

The square root of 11224420 is about 3350.2865549084. The cubic root of 11224420 is about 223.9002798054.

Adding to 11224420 its reverse (2442211), we get a palindrome (13666631).

The spelling of 11224420 in words is "eleven million, two hundred twenty-four thousand, four hundred twenty".