8501222079 has 96 divisors (see below), whose sum is σ = 16221703680. Its totient is φ = 4331169792.

The previous prime is 8501222017. The next prime is 8501222087. The reversal of 8501222079 is 9702221058.

8501222079 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 8501222079 - 2¹¹ = 8501220031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8501222089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 541687 + ... + 557159.

It is an arithmetic number, because the mean of its divisors is an integer number (168976080).

Almost surely, 2^8501222079 is an apocalyptic number.

8501222079 is a deficient number, since it is larger than the sum of its proper divisors (7720481601).

8501222079 is a wasteful number, since it uses less digits than its factorization.

8501222079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531 (or 15519 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 8501222079 is about 92202.0719886489. The cubic root of 8501222079 is about 2040.9253522518.

The spelling of 8501222079 in words is "eight billion, five hundred one million, two hundred twenty-two thousand, seventy-nine".