2193822 has 24 divisors (see below), whose sum is σ = 4780776. Its totient is φ = 727056.

The previous prime is 2193803. The next prime is 2193827. The reversal of 2193822 is 2283912.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5328 + ... + 5724.

It is an arithmetic number, because the mean of its divisors is an integer number (199199).

2^2193822 is an apocalyptic number.

2193822 is an abundant number, since it is smaller than the sum of its proper divisors (2586954).

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

2193822 is a wasteful number, since it uses less digits than its factorization.

2193822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 709 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2193822 is about 1481.1556299052. The cubic root of 2193822 is about 129.9372873062.

The spelling of 2193822 in words is "two million, one hundred ninety-three thousand, eight hundred twenty-two".