8774226665 has 8 divisors (see below), whose sum is σ = 10637619720. Its totient is φ = 6947016192.

The previous prime is 8774226661. The next prime is 8774226683. The reversal of 8774226665 is 5666224778.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1642761961 + 7131464704 = 40531^2 + 84448^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8774226665 - 2² = 8774226661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8774226661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9045110 + ... + 9046079.

It is an arithmetic number, because the mean of its divisors is an integer number (1329702465).

Almost surely, 2^8774226665 is an apocalyptic number.

It is an amenable number.

8774226665 is a deficient number, since it is larger than the sum of its proper divisors (1863393055).

8774226665 is a wasteful number, since it uses less digits than its factorization.

8774226665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18091291.

The product of its digits is 6773760, while the sum is 53.

The square root of 8774226665 is about 93670.8421281671. The cubic root of 8774226665 is about 2062.5427068720.

The spelling of 8774226665 in words is "eight billion, seven hundred seventy-four million, two hundred twenty-six thousand, six hundred sixty-five".