2091227716 has 24 divisors (see below), whose sum is σ = 3764813976. Its totient is φ = 1015660800.

The previous prime is 2091227713. The next prime is 2091227737. The reversal of 2091227716 is 6177221902.

It can be written as a sum of positive squares in 4 ways, for example, as 745071616 + 1346156100 = 27296^2 + 36690^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2091227711) 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, 79866 + ... + 102766.

It is an arithmetic number, because the mean of its divisors is an integer number (156867249).

Almost surely, 2^2091227716 is an apocalyptic number.

It is an amenable number.

2091227716 is a deficient number, since it is larger than the sum of its proper divisors (1673586260).

2091227716 is a wasteful number, since it uses less digits than its factorization.

2091227716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559 (or 23557 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 2091227716 is about 45729.9433194488. The cubic root of 2091227716 is about 1278.7935645931.

The spelling of 2091227716 in words is "two billion, ninety-one million, two hundred twenty-seven thousand, seven hundred sixteen".