8266222044 has 60 divisors (see below), whose sum is σ = 22306646208. Its totient is φ = 2666520000.

The previous prime is 8266222037. The next prime is 8266222109. The reversal of 8266222044 is 4402226628.

8266222044 is a `hidden beast` number, since 8 + 2 + 6 + 622 + 20 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 401457 + ... + 421544.

Almost surely, 2^8266222044 is an apocalyptic number.

It is an amenable number.

8266222044 is an abundant number, since it is smaller than the sum of its proper divisors (14040424164).

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

8266222044 is a wasteful number, since it uses less digits than its factorization.

8266222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823048 (or 823037 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 8266222044 is about 90918.7661816855. The cubic root of 8266222044 is about 2021.9435305488.

The spelling of 8266222044 in words is "eight billion, two hundred sixty-six million, two hundred twenty-two thousand, forty-four".