2213011985 has 64 divisors (see below), whose sum is σ = 2969809920. Its totient is φ = 1577076480.

The previous prime is 2213011963. The next prime is 2213012017. The reversal of 2213011985 is 5891103122.

It is a happy number.

It is not a de Polignac number, because 2213011985 - 2¹² = 2213007889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20682302 + ... + 20682408.

It is an arithmetic number, because the mean of its divisors is an integer number (46403280).

Almost surely, 2^2213011985 is an apocalyptic number.

It is an amenable number.

2213011985 is a deficient number, since it is larger than the sum of its proper divisors (756797935).

2213011985 is a wasteful number, since it uses less digits than its factorization.

2213011985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 2213011985 is about 47042.6613299035. The cubic root of 2213011985 is about 1303.1505409636.

The spelling of 2213011985 in words is "two billion, two hundred thirteen million, eleven thousand, nine hundred eighty-five".