2215791670 has 16 divisors (see below), whose sum is σ = 4063679280. Its totient is φ = 869593504.

The previous prime is 2215791637. The next prime is 2215791673. The reversal of 2215791670 is 761975122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215791673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089840 + ... + 2090899.

It is an arithmetic number, because the mean of its divisors is an integer number (253979955).

Almost surely, 2^2215791670 is an apocalyptic number.

2215791670 is a deficient number, since it is larger than the sum of its proper divisors (1847887610).

2215791670 is a wasteful number, since it uses less digits than its factorization.

2215791670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180799.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 2215791670 is about 47072.1963583600. The cubic root of 2215791670 is about 1303.6959262363.

The spelling of 2215791670 in words is "two billion, two hundred fifteen million, seven hundred ninety-one thousand, six hundred seventy".