2066822827 has 4 divisors (see below), whose sum is σ = 2067461440. Its totient is φ = 2066184216.

The previous prime is 2066822761. The next prime is 2066822843. The reversal of 2066822827 is 7282286602.

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

It is a cyclic number.

It is not a de Polignac number, because 2066822827 - 2¹⁵ = 2066790059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066822867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314427 + ... + 320932.

It is an arithmetic number, because the mean of its divisors is an integer number (516865360).

Almost surely, 2^2066822827 is an apocalyptic number.

2066822827 is a deficient number, since it is larger than the sum of its proper divisors (638613).

2066822827 is an equidigital number, since it uses as much as digits as its factorization.

2066822827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638612.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 2066822827 is about 45462.3231588532. The cubic root of 2066822827 is about 1273.7995266197.

The spelling of 2066822827 in words is "two billion, sixty-six million, eight hundred twenty-two thousand, eight hundred twenty-seven".