14229778 has 16 divisors (see below), whose sum is σ = 23042880. Its totient is φ = 6570256.

The previous prime is 14229773. The next prime is 14229781. The reversal of 14229778 is 87792241.

It is a self number, because there is not a number n which added to its sum of digits gives 14229778.

It is not an unprimeable number, because it can be changed into a prime (14229773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^14229778 is an apocalyptic number.

14229778 is a deficient number, since it is larger than the sum of its proper divisors (8813102).

14229778 is a wasteful number, since it uses less digits than its factorization.

14229778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721.

The product of its digits is 56448, while the sum is 40.

The square root of 14229778 is about 3772.2377973823. The cubic root of 14229778 is about 242.3256436132.

The spelling of 14229778 in words is "fourteen million, two hundred twenty-nine thousand, seven hundred seventy-eight".