866602122 has 32 divisors (see below), whose sum is σ = 1830366720. Its totient is φ = 272772720.

The previous prime is 866602111. The next prime is 866602127. The reversal of 866602122 is 221206668.

866602122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (866602127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23233 + ... + 47675.

It is an arithmetic number, because the mean of its divisors is an integer number (57198960).

Almost surely, 2^866602122 is an apocalyptic number.

866602122 is an abundant number, since it is smaller than the sum of its proper divisors (963764598).

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

866602122 is a wasteful number, since it uses less digits than its factorization.

866602122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 866602122 is about 29438.1066306921. The cubic root of 866602122 is about 953.3958328899.

The spelling of 866602122 in words is "eight hundred sixty-six million, six hundred two thousand, one hundred twenty-two".