14227440 has 40 divisors (see below), whose sum is σ = 44105808. Its totient is φ = 3793920.

The previous prime is 14227439. The next prime is 14227459. The reversal of 14227440 is 4472241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14227440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29401 + ... + 29880.

Almost surely, 2^14227440 is an apocalyptic number.

14227440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14227440 is an abundant number, since it is smaller than the sum of its proper divisors (29878368).

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

14227440 is a wasteful number, since it uses less digits than its factorization.

14227440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59297 (or 59291 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 14227440 is about 3771.9278890244. The cubic root of 14227440 is about 242.3123712491.

Adding to 14227440 its reverse (4472241), we get a palindrome (18699681).

The spelling of 14227440 in words is "fourteen million, two hundred twenty-seven thousand, four hundred forty".