2180822 has 8 divisors (see below), whose sum is σ = 3738576. Its totient is φ = 934632.

The previous prime is 2180813. The next prime is 2180833. The reversal of 2180822 is 2280812.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77873 + ... + 77900.

It is an arithmetic number, because the mean of its divisors is an integer number (467322).

2^2180822 is an apocalyptic number.

2180822 is a deficient number, since it is larger than the sum of its proper divisors (1557754).

2180822 is a wasteful number, since it uses less digits than its factorization.

2180822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155782.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2180822 is about 1476.7606441126. The cubic root of 2180822 is about 129.6801208459.

The spelling of 2180822 in words is "two million, one hundred eighty thousand, eight hundred twenty-two".