14224140 has 192 divisors, whose sum is σ = 52254720. Its totient is φ = 3144960.

The previous prime is 14224117. The next prime is 14224151. The reversal of 14224140 is 4142241.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200305 + ... + 200375.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^14224140 is an apocalyptic number.

14224140 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 14224140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

14224140 is an abundant number, since it is smaller than the sum of its proper divisors (38030580).

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

14224140 is a wasteful number, since it uses less digits than its factorization.

14224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 14224140 is about 3771.4904215708. The cubic root of 14224140 is about 242.2936353262.

Adding to 14224140 its reverse (4142241), we get a palindrome (18366381).

The spelling of 14224140 in words is "fourteen million, two hundred twenty-four thousand, one hundred forty".