14225778 has 54 divisors (see below), whose sum is σ = 36139311. Its totient is φ = 4032504.

The previous prime is 14225741. The next prime is 14225789. The reversal of 14225778 is 87752241.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 7112889 = 2667^2 + 2667^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 111951 + ... + 112077.

Almost surely, 2^14225778 is an apocalyptic number.

14225778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14225778

14225778 is an abundant number, since it is smaller than the sum of its proper divisors (21913533).

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

14225778 is a wasteful number, since it uses less digits than its factorization.

14225778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 139 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 14225778 is about 3771.7075708490. The cubic root of 14225778 is about 242.3029355192.

The spelling of 14225778 in words is "fourteen million, two hundred twenty-five thousand, seven hundred seventy-eight".