8221774276 has 9 divisors (see below), whose sum is σ = 14388422349. Its totient is φ = 4110796464.

The previous prime is 8221774229. The next prime is 8221774381. The reversal of 8221774276 is 6724771228.

The square root of 8221774276 is 90674.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5744124100 + 2477650176 = 75790^2 + 49776^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 158680 + ... + 204016.

Almost surely, 2^8221774276 is an apocalyptic number.

8221774276 is the 90674-th square number.

It is an amenable number.

8221774276 is a deficient number, since it is larger than the sum of its proper divisors (6166648073).

8221774276 is an frugal number, since it uses more digits than its factorization.

8221774276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90678 (or 45339 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The cubic root of 8221774276 is about 2018.3129949781.

The spelling of 8221774276 in words is "eight billion, two hundred twenty-one million, seven hundred seventy-four thousand, two hundred seventy-six".