2215168215 has 32 divisors (see below), whose sum is σ = 3827658240. Its totient is φ = 1087472256.

The previous prime is 2215168183. The next prime is 2215168217. The reversal of 2215168215 is 5128615122.

It is not a de Polignac number, because 2215168215 - 2⁵ = 2215168183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215168217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54184 + ... + 85826.

It is an arithmetic number, because the mean of its divisors is an integer number (119614320).

Almost surely, 2^2215168215 is an apocalyptic number.

2215168215 is a deficient number, since it is larger than the sum of its proper divisors (1612490025).

2215168215 is a wasteful number, since it uses less digits than its factorization.

2215168215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32023.

The product of its digits is 9600, while the sum is 33.

The square root of 2215168215 is about 47065.5735649742. The cubic root of 2215168215 is about 1303.5736415772.

The spelling of 2215168215 in words is "two billion, two hundred fifteen million, one hundred sixty-eight thousand, two hundred fifteen".