2215927215 has 24 divisors (see below), whose sum is σ = 3844870848. Its totient is φ = 1180618560.

The previous prime is 2215927211. The next prime is 2215927223. The reversal of 2215927215 is 5127295122.

It is not a de Polignac number, because 2215927215 - 2² = 2215927211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2215927215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215927211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20170 + ... + 69560.

It is an arithmetic number, because the mean of its divisors is an integer number (160202952).

Almost surely, 2^2215927215 is an apocalyptic number.

2215927215 is a deficient number, since it is larger than the sum of its proper divisors (1628943633).

2215927215 is a wasteful number, since it uses less digits than its factorization.

2215927215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50399 (or 50396 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 2215927215 is about 47073.6360928280. The cubic root of 2215927215 is about 1303.7225090395.

The spelling of 2215927215 in words is "two billion, two hundred fifteen million, nine hundred twenty-seven thousand, two hundred fifteen".