11433220 has 24 divisors (see below), whose sum is σ = 24522624. Its totient is φ = 4475616.

The previous prime is 11433199. The next prime is 11433223. The reversal of 11433220 is 2233411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11433194 and 11433203.

It is not an unprimeable number, because it can be changed into a prime (11433223) by changing a digit.

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, 5142 + ... + 7021.

It is an arithmetic number, because the mean of its divisors is an integer number (1021776).

Almost surely, 2^11433220 is an apocalyptic number.

11433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11433220 is an abundant number, since it is smaller than the sum of its proper divisors (13089404).

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

11433220 is a wasteful number, since it uses less digits than its factorization.

11433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11433220 is about 3381.3044820010. The cubic root of 11433220 is about 225.2801120373.

Adding to 11433220 its reverse (2233411), we get a palindrome (13666631).

The spelling of 11433220 in words is "eleven million, four hundred thirty-three thousand, two hundred twenty".