14009220 has 48 divisors (see below), whose sum is σ = 43585920. Its totient is φ = 3735648.

The previous prime is 14009201. The next prime is 14009227. The reversal of 14009220 is 2290041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14009193 and 14009202.

It is not an unprimeable number, because it can be changed into a prime (14009227) 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 15 ways as a sum of consecutive naturals, for example, 12432 + ... + 13511.

It is an arithmetic number, because the mean of its divisors is an integer number (908040).

Almost surely, 2^14009220 is an apocalyptic number.

14009220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14009220 is an abundant number, since it is smaller than the sum of its proper divisors (29576700).

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

14009220 is a wasteful number, since it uses less digits than its factorization.

14009220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25961 (or 25953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 14009220 is about 3742.8892583137. The cubic root of 14009220 is about 241.0671231683.

Adding to 14009220 its reverse (2290041), we get a palindrome (16299261).

The spelling of 14009220 in words is "fourteen million, nine thousand, two hundred twenty".