2215328216 has 16 divisors (see below), whose sum is σ = 4221835440. Its totient is φ = 1089505440.

The previous prime is 2215328179. The next prime is 2215328287. The reversal of 2215328216 is 6128235122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269316 + ... + 2270291.

It is an arithmetic number, because the mean of its divisors is an integer number (263864715).

Almost surely, 2^2215328216 is an apocalyptic number.

It is an amenable number.

2215328216 is a deficient number, since it is larger than the sum of its proper divisors (2006507224).

2215328216 is a wasteful number, since it uses less digits than its factorization.

2215328216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539674 (or 4539670 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2215328216 is about 47067.2733010953. The cubic root of 2215328216 is about 1303.6050264119.

The spelling of 2215328216 in words is "two billion, two hundred fifteen million, three hundred twenty-eight thousand, two hundred sixteen".