8222508561066 has 16 divisors (see below), whose sum is σ = 16451083188288. Its totient is φ = 2739825176000.

The previous prime is 8222508561041. The next prime is 8222508561073. The reversal of 8222508561066 is 6601658052228.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252735135 + ... + 252767666.

It is an arithmetic number, because the mean of its divisors is an integer number (1028192699268).

Almost surely, 2^{8222508561066} is an apocalyptic number.

8222508561066 is an abundant number, since it is smaller than the sum of its proper divisors (8228574627222).

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

8222508561066 is a wasteful number, since it uses less digits than its factorization.

8222508561066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505505517.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 8222508561066 in words is "eight trillion, two hundred twenty-two billion, five hundred eight million, five hundred sixty-one thousand, sixty-six".