8022784901 has 4 divisors (see below), whose sum is σ = 8023384332. Its totient is φ = 8022185472.

The previous prime is 8022784871. The next prime is 8022784909. The reversal of 8022784901 is 1094872208.

It is a Cunningham number, because it is equal to 89570²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196728676 + 7826056225 = 14026^2 + 88465^2 .

It is a cyclic number.

It is not a de Polignac number, because 8022784901 - 2¹⁴ = 8022768517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8022784909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279170 + ... + 306563.

It is an arithmetic number, because the mean of its divisors is an integer number (2005846083).

Almost surely, 2^8022784901 is an apocalyptic number.

It is an amenable number.

8022784901 is a deficient number, since it is larger than the sum of its proper divisors (599431).

8022784901 is a wasteful number, since it uses less digits than its factorization.

8022784901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599430.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 8022784901 is about 89570.0000055822. Note that the first 5 decimals coincide. The cubic root of 8022784901 is about 2001.8969419867.

The spelling of 8022784901 in words is "eight billion, twenty-two million, seven hundred eighty-four thousand, nine hundred one".