11470221 has 16 divisors (see below), whose sum is σ = 19420800. Its totient is φ = 6554304.

The previous prime is 11470213. The next prime is 11470237. The reversal of 11470221 is 12207411.

11470221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11470221 - 2³ = 11470213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11470194 and 11470203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11470211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30156 + ... + 30533.

It is an arithmetic number, because the mean of its divisors is an integer number (1213800).

Almost surely, 2^11470221 is an apocalyptic number.

It is an amenable number.

11470221 is a deficient number, since it is larger than the sum of its proper divisors (7950579).

11470221 is an equidigital number, since it uses as much as digits as its factorization.

11470221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60705 (or 60699 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11470221 is about 3386.7714714755. The cubic root of 11470221 is about 225.5228728542.

Adding to 11470221 its reverse (12207411), we get a palindrome (23677632).

The spelling of 11470221 in words is "eleven million, four hundred seventy thousand, two hundred twenty-one".