14222240 has 48 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 5627136.

The previous prime is 14222233. The next prime is 14222261. The reversal of 14222240 is 4222241.

It is a happy number.

It is a super-2 number, since 2×14222240² = 404544221235200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16049 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^14222240 is an apocalyptic number.

14222240 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 14222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16982784).

14222240 is an abundant number, since it is smaller than the sum of its proper divisors (19743328).

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

14222240 is a wasteful number, since it uses less digits than its factorization.

14222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 14222240 is about 3771.2385233501. The cubic root of 14222240 is about 242.2828466621.

Adding to 14222240 its reverse (4222241), we get a palindrome (18444481).

Subtracting from 14222240 its reverse (4222241), we obtain a palindrome (9999999).

The spelling of 14222240 in words is "fourteen million, two hundred twenty-two thousand, two hundred forty".