217314848 has 24 divisors (see below), whose sum is σ = 428168412. Its totient is φ = 108573696.

The previous prime is 217314841. The next prime is 217314857. The reversal of 217314848 is 848413712.

It can be written as a sum of positive squares in 2 ways, for example, as 217031824 + 283024 = 14732^2 + 532^2 .

It is a super-2 number, since 2×217314848² = 94451486322526208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (217314841) 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, 74636 + ... + 77492.

Almost surely, 2^217314848 is an apocalyptic number.

It is an amenable number.

217314848 is a deficient number, since it is larger than the sum of its proper divisors (210853564).

217314848 is a wasteful number, since it uses less digits than its factorization.

217314848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244 (or 5236 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 217314848 is about 14741.6026265803. The cubic root of 217314848 is about 601.2149898572.

The spelling of 217314848 in words is "two hundred seventeen million, three hundred fourteen thousand, eight hundred forty-eight".