2216688351 has 8 divisors (see below), whose sum is σ = 3005679360. Its totient is φ = 1452744792.

The previous prime is 2216688349. The next prime is 2216688403. The reversal of 2216688351 is 1538866122.

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

It is not a de Polignac number, because 2216688351 - 2¹ = 2216688349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216688311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6261655 + ... + 6262008.

It is an arithmetic number, because the mean of its divisors is an integer number (375709920).

Almost surely, 2^2216688351 is an apocalyptic number.

2216688351 is a deficient number, since it is larger than the sum of its proper divisors (788991009).

2216688351 is a wasteful number, since it uses less digits than its factorization.

2216688351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523725.

The product of its digits is 138240, while the sum is 42.

The square root of 2216688351 is about 47081.7199239790. The cubic root of 2216688351 is about 1303.8717613158.

The spelling of 2216688351 in words is "two billion, two hundred sixteen million, six hundred eighty-eight thousand, three hundred fifty-one".