2215501516 has 12 divisors (see below), whose sum is σ = 4010821920. Its totient is φ = 1069552400.

The previous prime is 2215501511. The next prime is 2215501531. The reversal of 2215501516 is 6151055122.

It is not an unprimeable number, because it can be changed into a prime (2215501511) 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, 9549460 + ... + 9549691.

It is an arithmetic number, because the mean of its divisors is an integer number (334235160).

Almost surely, 2^2215501516 is an apocalyptic number.

It is an amenable number.

2215501516 is a deficient number, since it is larger than the sum of its proper divisors (1795320404).

2215501516 is a wasteful number, since it uses less digits than its factorization.

2215501516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19099184 (or 19099182 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 2215501516 is about 47069.1142470304. The cubic root of 2215501516 is about 1303.6390181937.

Adding to 2215501516 its reverse (6151055122), we get a palindrome (8366556638).

The spelling of 2215501516 in words is "two billion, two hundred fifteen million, five hundred one thousand, five hundred sixteen".