2211713986 has 8 divisors (see below), whose sum is σ = 3348007740. Its totient is φ = 1095711408.

The previous prime is 2211713969. The next prime is 2211713989. The reversal of 2211713986 is 6893171122.

It can be written as a sum of positive squares in 2 ways, for example, as 2031214761 + 180499225 = 45069^2 + 13435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2211713989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072521 + ... + 5072956.

Almost surely, 2^2211713986 is an apocalyptic number.

2211713986 is a deficient number, since it is larger than the sum of its proper divisors (1136293754).

2211713986 is a wasteful number, since it uses less digits than its factorization.

2211713986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145588.

The product of its digits is 36288, while the sum is 40.

The square root of 2211713986 is about 47028.8633288112. The cubic root of 2211713986 is about 1302.8957119611.

The spelling of 2211713986 in words is "two billion, two hundred eleven million, seven hundred thirteen thousand, nine hundred eighty-six".