14223728 has 10 divisors (see below), whose sum is σ = 27558504. Its totient is φ = 7111856.

The previous prime is 14223719. The next prime is 14223733. The reversal of 14223728 is 82732241.

It is a self number, because there is not a number n which added to its sum of digits gives 14223728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444476 + ... + 444507.

Almost surely, 2^14223728 is an apocalyptic number.

It is an amenable number.

14223728 is a deficient number, since it is larger than the sum of its proper divisors (13334776).

14223728 is an equidigital number, since it uses as much as digits as its factorization.

14223728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888991 (or 888985 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 14223728 is about 3771.4358008589. The cubic root of 14223728 is about 242.2912959711.

Adding to 14223728 its reverse (82732241), we get a palindrome (96955969).

The spelling of 14223728 in words is "fourteen million, two hundred twenty-three thousand, seven hundred twenty-eight".