14213220 has 96 divisors (see below), whose sum is σ = 46599168. Its totient is φ = 3169152.

The previous prime is 14213209. The next prime is 14213231. The reversal of 14213220 is 2231241.

It is an interprime number because it is at equal distance from previous prime (14213209) and next prime (14213231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 14213220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17667 + ... + 18453.

It is an arithmetic number, because the mean of its divisors is an integer number (485408).

Almost surely, 2^14213220 is an apocalyptic number.

14213220 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 14213220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23299584).

14213220 is an abundant number, since it is smaller than the sum of its proper divisors (32385948).

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

14213220 is a wasteful number, since it uses less digits than its factorization.

14213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14213220 is about 3770.0424400794. The cubic root of 14213220 is about 242.2316157860.

Adding to 14213220 its reverse (2231241), we get a palindrome (16444461).

The spelling of 14213220 in words is "fourteen million, two hundred thirteen thousand, two hundred twenty".