14402220 has 96 divisors (see below), whose sum is σ = 47029248. Its totient is φ = 3224832.

The previous prime is 14402177. The next prime is 14402231. The reversal of 14402220 is 2220441.

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 14402220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21937 + ... + 22583.

It is an arithmetic number, because the mean of its divisors is an integer number (489888).

Almost surely, 2^14402220 is an apocalyptic number.

14402220 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 14402220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23514624).

14402220 is an abundant number, since it is smaller than the sum of its proper divisors (32627028).

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

14402220 is a wasteful number, since it uses less digits than its factorization.

14402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 14402220 is about 3795.0256916126. The cubic root of 14402220 is about 243.3005814846.

Adding to 14402220 its reverse (2220441), we get a palindrome (16622661).

The spelling of 14402220 in words is "fourteen million, four hundred two thousand, two hundred twenty".