14172220 has 48 divisors (see below), whose sum is σ = 31999968. Its totient is φ = 5253120.

The previous prime is 14172217. The next prime is 14172227. The reversal of 14172220 is 2227141.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14172227) 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, 24535 + ... + 25105.

It is an arithmetic number, because the mean of its divisors is an integer number (666666).

Almost surely, 2^14172220 is an apocalyptic number.

14172220 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 14172220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15999984).

14172220 is an abundant number, since it is smaller than the sum of its proper divisors (17827748).

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

14172220 is a wasteful number, since it uses less digits than its factorization.

14172220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 14172220 is about 3764.6009084629. The cubic root of 14172220 is about 241.9984745937.

Adding to 14172220 its reverse (2227141), we get a palindrome (16399361).

It can be divided in two parts, 141 and 72220, that added together give a square (72361 = 269²).

The spelling of 14172220 in words is "fourteen million, one hundred seventy-two thousand, two hundred twenty".