14238220 has 48 divisors (see below), whose sum is σ = 31903200. Its totient is φ = 5322240.

The previous prime is 14238199. The next prime is 14238221. The reversal of 14238220 is 2283241.

It is a junction number, because it is equal to n+sod(n) for n = 14238191 and 14238200.

It is not an unprimeable number, because it can be changed into a prime (14238221) 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, 33610 + ... + 34030.

It is an arithmetic number, because the mean of its divisors is an integer number (664650).

Almost surely, 2^14238220 is an apocalyptic number.

14238220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14238220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15951600).

14238220 is an abundant number, since it is smaller than the sum of its proper divisors (17664980).

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

14238220 is a wasteful number, since it uses less digits than its factorization.

14238220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14238220 is about 3773.3565959236. The cubic root of 14238220 is about 242.3735550814.

The spelling of 14238220 in words is "fourteen million, two hundred thirty-eight thousand, two hundred twenty".