2215193087 has 4 divisors (see below), whose sum is σ = 2236699920. Its totient is φ = 2193686256.

The previous prime is 2215193081. The next prime is 2215193093. The reversal of 2215193087 is 7803915122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7803915122 = 2 ⋅3901957561.

It is an interprime number because it is at equal distance from previous prime (2215193081) and next prime (2215193093).

It is a cyclic number.

It is not a de Polignac number, because 2215193087 - 2³⁰ = 1141451263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2215193087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215193081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10753262 + ... + 10753467.

It is an arithmetic number, because the mean of its divisors is an integer number (559174980).

Almost surely, 2^2215193087 is an apocalyptic number.

2215193087 is a deficient number, since it is larger than the sum of its proper divisors (21506833).

2215193087 is a wasteful number, since it uses less digits than its factorization.

2215193087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21506832.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2215193087 is about 47065.8377913323. The cubic root of 2215193087 is about 1303.5785204184.

The spelling of 2215193087 in words is "two billion, two hundred fifteen million, one hundred ninety-three thousand, eighty-seven".