1986882822 has 12 divisors (see below), whose sum is σ = 4304912820. Its totient is φ = 662294268.

The previous prime is 1986882809. The next prime is 1986882827. The reversal of 1986882822 is 2282886891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986882827) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 55191172 + ... + 55191207.

It is an arithmetic number, because the mean of its divisors is an integer number (358742735).

Almost surely, 2^1986882822 is an apocalyptic number.

1986882822 is an abundant number, since it is smaller than the sum of its proper divisors (2318029998).

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

1986882822 is a wasteful number, since it uses less digits than its factorization.

1986882822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110382387 (or 110382384 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 1986882822 is about 44574.4637881377. The cubic root of 1986882822 is about 1257.1605713425.

The spelling of 1986882822 in words is "one billion, nine hundred eighty-six million, eight hundred eighty-two thousand, eight hundred twenty-two".