2122055843 has 4 divisors (see below), whose sum is σ = 2123488248. Its totient is φ = 2120623440.

The previous prime is 2122055813. The next prime is 2122055863. The reversal of 2122055843 is 3485502212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122055843 - 2⁸ = 2122055587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122055813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713978 + ... + 716943.

It is an arithmetic number, because the mean of its divisors is an integer number (530872062).

Almost surely, 2^2122055843 is an apocalyptic number.

2122055843 is a deficient number, since it is larger than the sum of its proper divisors (1432405).

2122055843 is a wasteful number, since it uses less digits than its factorization.

2122055843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432404.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2122055843 is about 46065.7773515220. Note that the first 3 decimals coincide. The cubic root of 2122055843 is about 1285.0467752861.

The spelling of 2122055843 in words is "two billion, one hundred twenty-two million, fifty-five thousand, eight hundred forty-three".