2122845656 has 32 divisors (see below), whose sum is σ = 4069977600. Its totient is φ = 1037780640.

The previous prime is 2122845611. The next prime is 2122845671. The reversal of 2122845656 is 6565482212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48791 + ... + 81401.

It is an arithmetic number, because the mean of its divisors is an integer number (127186800).

Almost surely, 2^2122845656 is an apocalyptic number.

It is an amenable number.

2122845656 is a deficient number, since it is larger than the sum of its proper divisors (1947131944).

2122845656 is a wasteful number, since it uses less digits than its factorization.

2122845656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32799 (or 32795 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 2122845656 is about 46074.3492194952. The cubic root of 2122845656 is about 1285.2061837138.

The spelling of 2122845656 in words is "two billion, one hundred twenty-two million, eight hundred forty-five thousand, six hundred fifty-six".