2215120416 has 24 divisors (see below), whose sum is σ = 5814691344. Its totient is φ = 738373440.

The previous prime is 2215120357. The next prime is 2215120429. The reversal of 2215120416 is 6140215122.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11536990 + ... + 11537181.

It is an arithmetic number, because the mean of its divisors is an integer number (242278806).

Almost surely, 2^2215120416 is an apocalyptic number.

It is an amenable number.

2215120416 is an abundant number, since it is smaller than the sum of its proper divisors (3599570928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215120416 is a wasteful number, since it uses less digits than its factorization.

2215120416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23074184 (or 23074176 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2215120416 is about 47065.0657706966. The cubic root of 2215120416 is about 1303.5642653194.

Adding to 2215120416 its reverse (6140215122), we get a palindrome (8355335538).

The spelling of 2215120416 in words is "two billion, two hundred fifteen million, one hundred twenty thousand, four hundred sixteen".