8221428314 has 8 divisors (see below), whose sum is σ = 13453246368. Its totient is φ = 3737012860.

The previous prime is 8221428289. The next prime is 8221428323. The reversal of 8221428314 is 4138241228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186850622 + ... + 186850665.

It is an arithmetic number, because the mean of its divisors is an integer number (1681655796).

Almost surely, 2^8221428314 is an apocalyptic number.

8221428314 is a deficient number, since it is larger than the sum of its proper divisors (5231818054).

8221428314 is a wasteful number, since it uses less digits than its factorization.

8221428314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373701300.

The product of its digits is 24576, while the sum is 35.

The square root of 8221428314 is about 90672.0922555557. The cubic root of 8221428314 is about 2018.2846852171.

The spelling of 8221428314 in words is "eight billion, two hundred twenty-one million, four hundred twenty-eight thousand, three hundred fourteen".