2215964085 has 8 divisors (see below), whose sum is σ = 3545542560. Its totient is φ = 1181847504.

The previous prime is 2215964083. The next prime is 2215964089. The reversal of 2215964085 is 5804695122.

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

It is not a de Polignac number, because 2215964085 - 2¹ = 2215964083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215964083) 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, 73865455 + ... + 73865484.

It is an arithmetic number, because the mean of its divisors is an integer number (443192820).

Almost surely, 2^2215964085 is an apocalyptic number.

It is an amenable number.

2215964085 is a deficient number, since it is larger than the sum of its proper divisors (1329578475).

2215964085 is a wasteful number, since it uses less digits than its factorization.

2215964085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147730947.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2215964085 is about 47074.0277116798. The cubic root of 2215964085 is about 1303.7297397195.

The spelling of 2215964085 in words is "two billion, two hundred fifteen million, nine hundred sixty-four thousand, eighty-five".