866313122 has 4 divisors (see below), whose sum is σ = 1299469686. Its totient is φ = 433156560.

The previous prime is 866313109. The next prime is 866313127. The reversal of 866313122 is 221313668.

866313122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 843263521 + 23049601 = 29039^2 + 4801^2 .

It is not an unprimeable number, because it can be changed into a prime (866313127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216578279 + ... + 216578282.

Almost surely, 2^866313122 is an apocalyptic number.

866313122 is a deficient number, since it is larger than the sum of its proper divisors (433156564).

866313122 is a wasteful number, since it uses less digits than its factorization.

866313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433156563.

The product of its digits is 10368, while the sum is 32.

The square root of 866313122 is about 29433.1976176562. The cubic root of 866313122 is about 953.2898395999.

The spelling of 866313122 in words is "eight hundred sixty-six million, three hundred thirteen thousand, one hundred twenty-two".