2182827280 has 20 divisors (see below), whose sum is σ = 5075073612. Its totient is φ = 873130880.

The previous prime is 2182827277. The next prime is 2182827289. The reversal of 2182827280 is 827282812.

It can be written as a sum of positive squares in 2 ways, for example, as 1221083136 + 961744144 = 34944^2 + 31012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2182827289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13642591 + ... + 13642750.

Almost surely, 2^2182827280 is an apocalyptic number.

2182827280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2182827280 is an abundant number, since it is smaller than the sum of its proper divisors (2892246332).

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

2182827280 is a wasteful number, since it uses less digits than its factorization.

2182827280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27285354 (or 27285348 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 2182827280 is about 46720.7371517188. The cubic root of 2182827280 is about 1297.1985590746.

The spelling of 2182827280 in words is "two billion, one hundred eighty-two million, eight hundred twenty-seven thousand, two hundred eighty".