2216644670 has 8 divisors (see below), whose sum is σ = 3989960424. Its totient is φ = 886657864.

The previous prime is 2216644643. The next prime is 2216644673. The reversal of 2216644670 is 764466122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216644673) 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, 110832224 + ... + 110832243.

It is an arithmetic number, because the mean of its divisors is an integer number (498745053).

Almost surely, 2^2216644670 is an apocalyptic number.

2216644670 is a deficient number, since it is larger than the sum of its proper divisors (1773315754).

2216644670 is a wasteful number, since it uses less digits than its factorization.

2216644670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221664474.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 2216644670 is about 47081.2560367712. The cubic root of 2216644670 is about 1303.8631967685.

The spelling of 2216644670 in words is "two billion, two hundred sixteen million, six hundred forty-four thousand, six hundred seventy".