2122287985 has 8 divisors (see below), whose sum is σ = 2547051840. Its totient is φ = 1697626224.

The previous prime is 2122287977. The next prime is 2122287989. The reversal of 2122287985 is 5897822212.

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

It is a cyclic number.

It is not a de Polignac number, because 2122287985 - 2³ = 2122287977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122287989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32004 + ... + 72586.

It is an arithmetic number, because the mean of its divisors is an integer number (318381480).

Almost surely, 2^2122287985 is an apocalyptic number.

It is an amenable number.

2122287985 is a deficient number, since it is larger than the sum of its proper divisors (424763855).

2122287985 is a wasteful number, since it uses less digits than its factorization.

2122287985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51047.

The product of its digits is 322560, while the sum is 46.

The square root of 2122287985 is about 46068.2969622277. The cubic root of 2122287985 is about 1285.0936327478.

The spelling of 2122287985 in words is "two billion, one hundred twenty-two million, two hundred eighty-seven thousand, nine hundred eighty-five".