666102822 has 48 divisors (see below), whose sum is σ = 1673527296. Its totient is φ = 173012400.

The previous prime is 666102763. The next prime is 666102841. The reversal of 666102822 is 228201666.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60454 + ... + 70617.

It is an arithmetic number, because the mean of its divisors is an integer number (34865152).

Almost surely, 2^666102822 is an apocalyptic number.

666102822 is an abundant number, since it is smaller than the sum of its proper divisors (1007424474).

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

666102822 is a wasteful number, since it uses less digits than its factorization.

666102822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131105 (or 131094 counting only the distinct ones).

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

The square root of 666102822 is about 25808.9678600288. The cubic root of 666102822 is about 873.3341134283.

The spelling of 666102822 in words is "six hundred sixty-six million, one hundred two thousand, eight hundred twenty-two".