2130782227 has 32 divisors (see below), whose sum is σ = 2760307200. Its totient is φ = 1600777728.

The previous prime is 2130782209. The next prime is 2130782281. The reversal of 2130782227 is 7222870312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2130782227 - 2²³ = 2122393619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130782192 and 2130782201.

It is not an unprimeable number, because it can be changed into a prime (2130782287) 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 31 ways as a sum of consecutive naturals, for example, 125413 + ... + 141385.

It is an arithmetic number, because the mean of its divisors is an integer number (86259600).

Almost surely, 2^2130782227 is an apocalyptic number.

2130782227 is a deficient number, since it is larger than the sum of its proper divisors (629524973).

2130782227 is a wasteful number, since it uses less digits than its factorization.

2130782227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 2130782227 is about 46160.3967378964. The cubic root of 2130782227 is about 1286.8058360283.

The spelling of 2130782227 in words is "two billion, one hundred thirty million, seven hundred eighty-two thousand, two hundred twenty-seven".