22128314 has 16 divisors (see below), whose sum is σ = 36097152. Its totient is φ = 10112688.

The previous prime is 22128311. The next prime is 22128329. The reversal of 22128314 is 41382122.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22128314.

It is not an unprimeable number, because it can be changed into a prime (22128311) by changing a digit.

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, 1454 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (2256072).

Almost surely, 2^22128314 is an apocalyptic number.

22128314 is a deficient number, since it is larger than the sum of its proper divisors (13968838).

22128314 is a wasteful number, since it uses less digits than its factorization.

22128314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8381.

The product of its digits is 768, while the sum is 23.

The square root of 22128314 is about 4704.0741915918. The cubic root of 22128314 is about 280.7476362912.

The spelling of 22128314 in words is "twenty-two million, one hundred twenty-eight thousand, three hundred fourteen".