2001002822 has 32 divisors (see below), whose sum is σ = 3888595200. Its totient is φ = 749940768.

The previous prime is 2001002821. The next prime is 2001002891. The reversal of 2001002822 is 2282001002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001002822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001002821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285872 + ... + 292787.

It is an arithmetic number, because the mean of its divisors is an integer number (121518600).

Almost surely, 2^2001002822 is an apocalyptic number.

2001002822 is a deficient number, since it is larger than the sum of its proper divisors (1887592378).

2001002822 is a wasteful number, since it uses less digits than its factorization.

2001002822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578700.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2001002822 is about 44732.5700357134. The cubic root of 2001002822 is about 1260.1315941336.

Adding to 2001002822 its reverse (2282001002), we get a palindrome (4283003824).

The spelling of 2001002822 in words is "two billion, one million, two thousand, eight hundred twenty-two".