14722240 has 56 divisors (see below), whose sum is σ = 37764720. Its totient is φ = 5434368.

The previous prime is 14722229. The next prime is 14722271. The reversal of 14722240 is 4222741.

It is a happy number.

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, 2391 + ... + 5929.

It is an arithmetic number, because the mean of its divisors is an integer number (674370).

Almost surely, 2^14722240 is an apocalyptic number.

14722240 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 14722240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18882360).

14722240 is an abundant number, since it is smaller than the sum of its proper divisors (23042480).

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

14722240 is a wasteful number, since it uses less digits than its factorization.

14722240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 14722240 is about 3836.9571277250. The cubic root of 14722240 is about 245.0894578220.

Adding to 14722240 its reverse (4222741), we get a palindrome (18944981).

The spelling of 14722240 in words is "fourteen million, seven hundred twenty-two thousand, two hundred forty".