2207910985 has 16 divisors (see below), whose sum is σ = 3125670912. Its totient is φ = 1465156800.

The previous prime is 2207910937. The next prime is 2207910997. The reversal of 2207910985 is 5890197022.

It is not a de Polignac number, because 2207910985 - 2⁷ = 2207910857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016386 + ... + 1018555.

It is an arithmetic number, because the mean of its divisors is an integer number (195354432).

Almost surely, 2^2207910985 is an apocalyptic number.

It is an amenable number.

2207910985 is a deficient number, since it is larger than the sum of its proper divisors (917759927).

2207910985 is a wasteful number, since it uses less digits than its factorization.

2207910985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034984.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2207910985 is about 46988.4133058353. The cubic root of 2207910985 is about 1302.1485152314.

The spelling of 2207910985 in words is "two billion, two hundred seven million, nine hundred ten thousand, nine hundred eighty-five".