8220522044 has 36 divisors (see below), whose sum is σ = 16818807600. Its totient is φ = 3505360320.

The previous prime is 8220521971. The next prime is 8220522049. The reversal of 8220522044 is 4402250228.

It is a junction number, because it is equal to n+sod(n) for n = 8220521998 and 8220522016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220522049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66377 + ... + 144384.

It is an arithmetic number, because the mean of its divisors is an integer number (467189100).

Almost surely, 2^8220522044 is an apocalyptic number.

It is an amenable number.

8220522044 is an abundant number, since it is smaller than the sum of its proper divisors (8598285556).

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

8220522044 is a wasteful number, since it uses less digits than its factorization.

8220522044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210978 (or 210969 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 8220522044 is about 90667.0946043822. The cubic root of 8220522044 is about 2018.2105221883.

The spelling of 8220522044 in words is "eight billion, two hundred twenty million, five hundred twenty-two thousand, forty-four".