14220812 has 12 divisors (see below), whose sum is σ = 25066440. Its totient is φ = 7058976.

The previous prime is 14220799. The next prime is 14220827. The reversal of 14220812 is 21802241.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 12233 + ... + 13344.

It is an arithmetic number, because the mean of its divisors is an integer number (2088870).

Almost surely, 2^14220812 is an apocalyptic number.

It is an amenable number.

14220812 is a deficient number, since it is larger than the sum of its proper divisors (10845628).

14220812 is a wasteful number, since it uses less digits than its factorization.

14220812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720 (or 25718 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 14220812 is about 3771.0491908751. The cubic root of 14220812 is about 242.2747374968.

The spelling of 14220812 in words is "fourteen million, two hundred twenty thousand, eight hundred twelve".