2216355012 has 36 divisors (see below), whose sum is σ = 5608455216. Its totient is φ = 737993520.

The previous prime is 2216354981. The next prime is 2216355017. The reversal of 2216355012 is 2105536122.

It is a happy number.

2216355012 is a `hidden beast` number, since 2 + 21 + 635 + 5 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2216355017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1587 + ... + 66597.

Almost surely, 2^2216355012 is an apocalyptic number.

It is an amenable number.

2216355012 is an abundant number, since it is smaller than the sum of its proper divisors (3392100204).

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

2216355012 is a wasteful number, since it uses less digits than its factorization.

2216355012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65968 (or 65963 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2216355012 is about 47078.1797863936. The cubic root of 2216355012 is about 1303.8064005872.

The spelling of 2216355012 in words is "two billion, two hundred sixteen million, three hundred fifty-five thousand, twelve".