2211927939 has 48 divisors (see below), whose sum is σ = 3562204800. Its totient is φ = 1355893344.

The previous prime is 2211927937. The next prime is 2211927973. The reversal of 2211927939 is 9397291122.

It is not a de Polignac number, because 2211927939 - 2¹ = 2211927937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211927894 and 2211927903.

It is not an unprimeable number, because it can be changed into a prime (2211927937) 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 47 ways as a sum of consecutive naturals, for example, 1400052 + ... + 1401630.

It is an arithmetic number, because the mean of its divisors is an integer number (74212600).

Almost surely, 2^2211927939 is an apocalyptic number.

2211927939 is a deficient number, since it is larger than the sum of its proper divisors (1350276861).

2211927939 is a wasteful number, since it uses less digits than its factorization.

2211927939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1902 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 2211927939 is about 47031.1379726241. The cubic root of 2211927939 is about 1302.9377230378.

The spelling of 2211927939 in words is "two billion, two hundred eleven million, nine hundred twenty-seven thousand, nine hundred thirty-nine".