14342220 has 144 divisors (see below), whose sum is σ = 47567520. Its totient is φ = 3483648.

The previous prime is 14342189. The next prime is 14342231. The reversal of 14342220 is 2224341.

14342220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 14342193 and 14342202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131526 + ... + 131634.

It is an arithmetic number, because the mean of its divisors is an integer number (330330).

Almost surely, 2^14342220 is an apocalyptic number.

14342220 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 14342220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23783760).

14342220 is an abundant number, since it is smaller than the sum of its proper divisors (33225300).

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

14342220 is a wasteful number, since it uses less digits than its factorization.

14342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 179 counting only the distinct ones).

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

The square root of 14342220 is about 3787.1123564003. The cubic root of 14342220 is about 242.9622458238.

Adding to 14342220 its reverse (2224341), we get a palindrome (16566561).

The spelling of 14342220 in words is "fourteen million, three hundred forty-two thousand, two hundred twenty".