2822812281 has 16 divisors (see below), whose sum is σ = 4187070720. Its totient is φ = 1879567920.

The previous prime is 2822812219. The next prime is 2822812283. The reversal of 2822812281 is 1822182282.

2822812281 is a `hidden beast` number, since 282 + 281 + 22 + 81 = 666.

It is not a de Polignac number, because 2822812281 - 2⁶ = 2822812217 is a prime.

It is a super-2 number, since 2×2822812281² = 15936538347528845922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2822812283) 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 15 ways as a sum of consecutive naturals, for example, 41505 + ... + 85838.

It is an arithmetic number, because the mean of its divisors is an integer number (261691920).

Almost surely, 2^2822812281 is an apocalyptic number.

It is an amenable number.

2822812281 is a deficient number, since it is larger than the sum of its proper divisors (1364258439).

2822812281 is a wasteful number, since it uses less digits than its factorization.

2822812281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128173 (or 128167 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 2822812281 is about 53130.1447485324. The cubic root of 2822812281 is about 1413.2771351599.

The spelling of 2822812281 in words is "two billion, eight hundred twenty-two million, eight hundred twelve thousand, two hundred eighty-one".