866220822843301 has 8 divisors (see below), whose sum is σ = 874992847132800. Its totient is φ = 857492990112528.

The previous prime is 866220822843281. The next prime is 866220822843349. The reversal of 866220822843301 is 103348228022668.

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 866220822843301 - 2⁴⁷ = 725483334487973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866220822840301) 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, 11047850281 + ... + 11047928686.

It is an arithmetic number, because the mean of its divisors is an integer number (109374105891600).

Almost surely, 2^{866220822843301} is an apocalyptic number.

It is an amenable number.

866220822843301 is a deficient number, since it is larger than the sum of its proper divisors (8772024289499).

866220822843301 is a wasteful number, since it uses less digits than its factorization.

866220822843301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22095779363.

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 866220822843301 in words is "eight hundred sixty-six trillion, two hundred twenty billion, eight hundred twenty-two million, eight hundred forty-three thousand, three hundred one".