8022894561 has 48 divisors (see below), whose sum is σ = 13233362688. Its totient is φ = 4816746000.

The previous prime is 8022894559. The next prime is 8022894577. The reversal of 8022894561 is 1654982208.

8022894561 is a `hidden beast` number, since 8 + 0 + 2 + 2 + 89 + 4 + 561 = 666.

It is not a de Polignac number, because 8022894561 - 2¹ = 8022894559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8022894161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271986 + ... + 300036.

It is an arithmetic number, because the mean of its divisors is an integer number (275695056).

Almost surely, 2^8022894561 is an apocalyptic number.

8022894561 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8022894561 is a deficient number, since it is larger than the sum of its proper divisors (5210468127).

8022894561 is a wasteful number, since it uses less digits than its factorization.

8022894561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28184 (or 28172 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 8022894561 is about 89570.6121504146. The cubic root of 8022894561 is about 2001.9060629682.

The spelling of 8022894561 in words is "eight billion, twenty-two million, eight hundred ninety-four thousand, five hundred sixty-one".