8220325524 has 12 divisors (see below), whose sum is σ = 19180759584. Its totient is φ = 2740108504.

The previous prime is 8220325513. The next prime is 8220325541. The reversal of 8220325524 is 4255230228.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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, 342513552 + ... + 342513575.

It is an arithmetic number, because the mean of its divisors is an integer number (1598396632).

Almost surely, 2^8220325524 is an apocalyptic number.

It is an amenable number.

8220325524 is an abundant number, since it is smaller than the sum of its proper divisors (10960434060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8220325524 is a wasteful number, since it uses less digits than its factorization.

8220325524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685027134 (or 685027132 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 8220325524 is about 90666.0108530203. The cubic root of 8220325524 is about 2018.1944395969.

The spelling of 8220325524 in words is "eight billion, two hundred twenty million, three hundred twenty-five thousand, five hundred twenty-four".