2097822 has 8 divisors (see below), whose sum is σ = 4195656. Its totient is φ = 699272.

The previous prime is 2097803. The next prime is 2097829. The reversal of 2097822 is 2287902.

It is a sphenic number, since it is the product of 3 distinct primes.

2097822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2097822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174813 + ... + 174824.

It is an arithmetic number, because the mean of its divisors is an integer number (524457).

2^2097822 is an apocalyptic number.

2097822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2097822 is a wasteful number, since it uses less digits than its factorization.

2097822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349642.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2097822 is about 1448.3859982753. The cubic root of 2097822 is about 128.0136297335.

The spelling of 2097822 in words is "two million, ninety-seven thousand, eight hundred twenty-two".