14322420 has 144 divisors (see below), whose sum is σ = 51612288. Its totient is φ = 3265920.

The previous prime is 14322401. The next prime is 14322443. The reversal of 14322420 is 2422341.

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

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 14322393 and 14322402.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 33810 + ... + 34230.

Almost surely, 2^14322420 is an apocalyptic number.

14322420 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 14322420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25806144).

14322420 is an abundant number, since it is smaller than the sum of its proper divisors (37289868).

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

14322420 is a wasteful number, since it uses less digits than its factorization.

14322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14322420 is about 3784.4973246126. The cubic root of 14322420 is about 242.8503880145.

Adding to 14322420 its reverse (2422341), we get a palindrome (16744761).

The spelling of 14322420 in words is "fourteen million, three hundred twenty-two thousand, four hundred twenty".