14022540 has 144 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 3093120.

The previous prime is 14022529. The next prime is 14022563. The reversal of 14022540 is 4522041.

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 47 ways as a sum of consecutive naturals, for example, 38881 + ... + 39239.

It is an arithmetic number, because the mean of its divisors is an integer number (349440).

Almost surely, 2^14022540 is an apocalyptic number.

14022540 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 14022540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25159680).

14022540 is an abundant number, since it is smaller than the sum of its proper divisors (36296820).

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

14022540 is a wasteful number, since it uses less digits than its factorization.

14022540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14022540 is about 3744.6682096015. The cubic root of 14022540 is about 241.1435013663.

Adding to 14022540 its reverse (4522041), we get a palindrome (18544581).

The spelling of 14022540 in words is "fourteen million, twenty-two thousand, five hundred forty".